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★ Ahsay Managed Backup as a Service (AMBaaS)
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Technical Support Info
Help Centre
FAQ
v9 Deduplication and Migrate Data
How-To
Hardware & Software Compatibility List
Software Compatibility List for v10
Hardware Requirements for v10
Trusted Certificate Authority (CA) List for version 10
Administrative Management
Checking Backup User Storage Quotas in AhsayCBS Adminstrator Console
Configure Java Heap Size for Microsoft 365 Run-on-Server Backup
Configure Max Concurrent Run-on-Server Backup Jobs in AhsayCBS
Customize Google Drive for AhsayCBS
Digital Certificate Signing with Hardware Token
Enhance AhsayCBS Security: TLS, PFS, HSTS, Strong Cipher
How to Customize Email Reports of AhsayCBS
How to add New User Home on AhsayCBS
How to force another auto update on AhsayACB / AhsayOBM clients
How to hide social media icons in AhsayOBM/AhsayACB
How to manually change the IP filter for access to the AhsayCBS Web Console?
How to manually move backup account between different userhome
How to modify Java Heap Size on AhsayCBS
How to recover AhsayCBS System Account Password
How to regain access to AhsayCBS Web Management Console when the 2FA registered phone is lost
How to reset system admin password
How to start AhsayCBS (in replication mode) as a Backup Server?
How to update the MS VM host version after upgrading the Hyper-V server
Import Data from AhsayCBS Replication Sender to Receiver (Linux)
Import Data from AhsayCBS Replication Sender to Receiver (Windows)
Increase Replication Threads on AhsayCBS to Improve Performance
Migrate AhsayCBS to a New Server
Monitor Run on Server Backup Java Process
Recover users.xml File on AhsayCBS
Renewing AhsayCBS Self-Signed SSL and CA Certificates
Set up Data Synchronization Check (DSC)
Setup Let's Encrypt SSL Certificate for AhsayCBS
Transfer Backup Users Between AhsayCBS Servers
Using Gmail as SMTP setting
View Item Count and Storage Used in Microsoft 365 Admin Center
When Ahsay Default SSL Certificates Are Acceptable for Business Use
License
Ahsay License Management Portal Overview
How to allocate CBS module for active pool key using LMP
How to create a Pool Key from a License Pool?
How to provision a Pool Key for AhsayCBS backup server?
License Calculator for Upgrading from AhsayOBS to AhsayCBS
Backup
How to change the temporary directory of Run-on-Server jobs
Initiate Client Backups from AhsayCBS
Restore
How to use the AhsayCBS online file restorer?
Restore Drill
How does a backup user check their Restore Drill reports from the AhsayCBS web console?
How to check the Restore Drill reports from the AhsayCBS web console?
How to configure default values for Restore Drill for new Backup Sets?
How to enable Restore Drill on a Backup Set from AhsayCBS web console?
How to manually start Restore Drill job from your AhsayCBS web console?
How to resolve the "Restore Drill is disabled for owner" issue?
How to resolve the "Restore Drill is disabled for standard destination AhsayCBS" issue?
How to resolve the "Restore Drill is not enable for backup set" issue?
How to setup Restore Drill system settings on your AhsayCBS server?
How to troubleshoot Restore Drill jobs that are stuck?
How to troubleshoot Restore Drill jobs with "Pending for encrypt key" status?
Immutable Backup
Create immutable predefined destination using Azure on AhsayCBS
How to create a new bucket in Wasabi with Immutable Settings (AhsayCBS)
How to create an Immutable Policy for Wasabi Bucket (AhsayCBS)
How to create an immutable bucket on Amazon S3 cloud for AhsayCBS?
How to create an immutable policy for your Amazon S3 bucket for AhsayCBS?
How to create an immutable predefined destination using Amazon S3 on AhsayCBS?
How to create an immutable predefined destination using Wasabi on AhsayCBS?
How to run Space Freeing Up with backup data stored on an immutable Amazon S3 standard destination?
Cloud Storage
How to create a backup user Access key and Secret key on Amazon S3 for AhsayCBS?
How to create a container on the Microsoft Azure Portal for AhsayCBS
How to create a predefined destination on AhsayCBS using Seagate Lyve Cloud?
How to create a storage account on the Microsoft Azure Portal for AhsayCBS
How to setup Shared access signature on the Microsoft Azure Portal for AhsayCBS
Set up Cloud Storage
Unlock 80% savings on cloud backup storage costs (AhsayCBS)
General
AhsayCBS Hotfix Installation Guide
Can you provide an archive copy of the AhsayCBS installer?
Configure Antivirus Exclusions for AhsayCBS
Docker (Windows)
FAQs on Ahsay Backup Destination (AhsayCBS)
Get Started with AhsayCBS v9
How to Install Latest AhsayCBS Release
How to install AhsayCBS using Docker?
Optimize your file backups using filters (AhsayCBS)
Re-authentication of Microsoft 365 Backup Set
Run CRC Check for v6 Backupsets in AhsayCBS Management Console
Single User Rebuild (Index Rebuild) for Ahsay Legacy v6 Backupsets
Upgrade Tomcat for AhsayCBS
Why CBS Live Activities Shows No Details for Legacy v6 Backup Jobs
Archives
Hardware & Software Compatibility List
Hardware Requirements for AhsayCBS v9
Software Compatibility List for AhsayCBS v9
AhsayCBS Trusted Certificate Authority (CA) List for v9
Hardware Requirements for AhsayCBS v8
Software Compatibility List for AhsayCBS v8
AhsayCBS Trusted Certificate Authority (CA) List for v8
AhsayCBS Trusted Certificate Authority (CA) List for v7
Documentation
Version 10
AhsayCBS Requirements
AhsayCBS Hardware Requirements
AhsayCBS Software Requirements
AhsayCBS Storage Requirements
AhsayCBS Additional Memory Requirements
Requirements for using AhsayCBS User Web Console
Temporary Folder Size for Agentless Microsoft 365 and Cloud File Backups
Additional Linux Requirements
Download AhsayCBS
Download AhsayCBS on Windows
Download AhsayCBS on Windows Server Core
Download AhsayCBS on Linux / FreeBSD
Install AhsayCBS
Install AhsayCBS on Windows
Install AhsayCBS on Windows Server Core
Install AhsayCBS on Linux / FreeBSD
Install AhsayCBS using Docker on Windows
Install AhsayCBS using Docker on Linux
Install AhsayCBS using Docker on QNAP
Uninstall AhsayCBS
Uninstall AhsayCBS on Windows
Uninstall AhsayCBS on Windows Server Core
Uninstall AhsayCBS on Linux / FreeBSD
Login to AhsayCBS
Login to AhsayCBS Web Console
Register Device on AhsayCBS
Troubleshooting Login on AhsayCBS
Setup AhsayCBS
Network and Firewall Settings
Activate License
User Home
SMTP
Host Name and System Home
Languages
Two-Factor Authentication (2FA)
Predefined Destination
User Account
Memory for Run on Server (Agentless) Backups
Administration
Monitoring (Web Console)
Dashboard
Live Activities
Administration Logs
Backup / Restore Logs
Replication Logs
Redirection Logs
Backup / Restore
Basic
Users, Groups & Policies
Backup User
Functions
Manage Backup User
User Group
Policy Group
Replication (Web Console)
Overview
Requirements
Best Practices
Deployment
Recovery Process
Redirection (Web Console)
System Settings
Manage License
Basic Backup Server Configuration
General
Email
Predefined Destinations
Administrative Access
Languages
Two-Factor Authentication (2FA)
Advanced Backup Server Configuration
Auto Save
Proxy
Logging
File Explorer
Runtime Options
Branding
Before Getting Started
Branding for AhsayCBS Interface
Branding for AhsayOBM/AhsayACB
Build AhsayOBM/AhsayACB Installers
Customize Application Name
Customize Download Page
Customize AhsayCBS User Web Console
Branding Behavior
Image Specifications
Web Console Overview
Download Overview
Language Overview
Live Activities Overview
User Overview
User Profile
Backup Set
Settings
Report
Statistics
File Viewer
Effective Policy
Run Direct Overview
Online Help Overview
Run on Server Backup and Restore
Features of Run on Server Backup and Restore
Requirements of Run on Server Backup and Restore
Limitations of Run on Server Backup and Restore
Best Practices and Recommendations of Run on Server Backup and Restore
Create a Backup Set
Cloud File Backup Set
Microsoft 365 Backup Set
Google Workspace Backup Set
Proxmox Backup Set
Run on Server Backup
Run on Server Restore
Run on Server Restore for Cloud File
Run on Server Restore for Microsoft 365
Run on Server Restore for Google Workspace
Run on Server Restore for Proxmox
Run Direct Restore
Data Integrity Check
Space Freeing Up
Delete Backup Data
Upgrade
AhsayCBS to the latest version
Pre-Upgrade
Upgrade Sequence
Upgrade Procedure for Windows
Upgrade Procedure for Linux (CentOS, Red Hat Enterprise, Ubuntu, Debian)
Upgrade Procedure for FreeBSD
Configure Update for AhsayOBM / AhsayACB
Post Upgrade
Upgrade AhsayOBS to AhsayCBS
Upgrade Sequence and Backup Data Migration
AhsayOBS to AhsayCBS Upgrade Procedure for Windows
AhsayOBS to AhsayCBS Upgrade Procedure for Linux (CentOS, Red Hat Enterprise, Ubuntu, Debian)
AhsayOBS to AhsayCBS Upgrade Procedure for FreeBSD
Downgrade
Downgrade AhsayCBS
Downgrade AhsayOBM / AhsayACB Clients
Downgrade AhsayCBS to AhsayOBS
API
System API
System Status / Progress
GetBuildingStatus
GetDataMigrationProgress
GetReplicationStatus
GetSystemStatus
System Config
UpdateServerConfig (v1), UpdateSystemSettings (v2) - Backup Server
UpdateConfig - Backup Server
GetSystemSetting (v1, v2) - Backup Server
UpdateReplicationConfig
UpdateLicense
GetLicense (v1,v2)
GetReplicationMode
AddPredefinedDestination
System User
AddSysUser
UpdateSysUser
RemoveSysUser
AuthSystemUser
ListSystemUsers
Group Policy
AddPolicyGroup
AddPolicyGroupToUserGroup
AddUserGroup
DeletePolicyGroup
DeletePolicyGroupFromUserGroup
DeleteUserFromUserGroup
DeleteUserGroup
ListPolicyGroups (v1,v2)
ListUserGroups
ModifyUserGroup
UpdatePolicyGroup (v1,v2)
User API
Backup User
AddUser (v1,v2)
GetSingleUserRebuildStatus
AddContact
ListUsers (v1,v2)
GetUser (v1,v2)
GetUserStatus
AuthUser
ModifyUserStatus
UpdateUserProfile (v1), UpdateUser (v2)
RunSingleUserRebuild
GetUserStorageStat
GetServerRunJobStatus
RemoveUser
SendForgotPwdEmail
UpdateAUA
Backup Set
AddBackupSet
UpdateBackupSet (v1,v2)
AddSchedule (v1,v2)
UpdateSchedule (v1,v2)
RemoveSchedule
AddSelectSrc
RemoveSelectSrc
AddDeselectSrc
RemoveDeselectSrc
AddFilter
UpdateFilter
RemoveFilter
RemoveBandwidthControl
AddAllowedIP
RemoveAllowedIP
DeleteBackupData
DeleteBackupFile
DeleteBackupSet
GetBackupJobProgress
GetBackupSet (v1,v2)
OpenBackupIndex
ListBackupFiles
GetListBackupFilesResult
CloseBackupIndex
ListBackupJobMode
ListBackupJobs
ListBackupJobStatus
ListBackupSets
RunBackup
AddPreCommand
UpdatePreCommand
RemovePreCommand
AddPostCommand
UpdatePostCommand
RemovePostCommand
ListRestoreJobs
ListRestoreJobStatus
ListRestoreDrillJobs
Report API
GetBackupJobReport
GetBackupJobReportSummary
GetRestoreJobReport
GetRestoreDrillJobReportSummary
Replication API
ListReceiver
UpdateReceivers
RemoveReceiver
Redirection API
UpdateLicense
UpdateServerConfig
Appendices
Definitions, Acronyms and Abbreviations
Supported Language Code
Supported Timezones
Supported Upgrade Paths
Supported Services for Microsoft 365
System Files for Continuous Backup Exclusion
Comparison of different Replication setup environment
Microsoft 365 License Requirement and Usage
Teams Chat Backup Scenarios
Example for Backup of Large Numbers of Microsoft 365 Users
Example Scenario for Backup Set Maintenance
Sub Admin (Reseller) User
Version 9
Requirements
Hardware
Software
Storage
Additional Memory
Using AhsayCBS User Web Console
Temporary Folder Size for Agentless Backups
Permission Requirement for AhsayCBS with AhsayPRD for Agentless Backup
Additional Linux/FreeBSD Requirements
Download
Install
Uninstall
Login
Login to AhsayCBS Web Console
Register Device
Troubleshooting
Setup
Network and Firewall Settings
Activate License
User Home
SMTP
Host Name and System Home
Languages
Two-Factor Authentication (2FA)
Predefined Destination
User Account
Memory for Run on Server (Agentless) Backups
Administration
Monitoring
Backup / Restore
Replication
Redirection
System Settings
Branding
Overview
Run on Server Backup and Restore
Features
Requirements
Limitations
Best Practices and Recommendations
Create a Backup Set
Run Backup Job
Restore
Data Integrity Check
Space Freeing Up
Delete Backup Data
Upgrade
Upgrade AhsayCBS to the latest version
Pre-Upgrade
Upgrade Sequence
Upgrade Procedure for Windows using Executable File
Upgrade Procedure for Windows using Zip File
Upgrade Procedure for Linux
Upgrade Procedure for FreeBSD
Configure Update for AhsayOBM / AhsayACB
Post Upgrade
Upgrade AhsayOBS to AhsayCBS
Upgrade Sequence and Backup Data Migration
Upgrade Procedure for AhsayUBS
Upgrade Procedure for AhsayPRD Instance
Upgrade Procedure for Windows using Executable File
Upgrade Procedure for Windows using Zip File
Upgrade Procedure for Linux
Upgrade Procedure for FreeBSD
Downgrade
Downgrade AhsayCBS
Downgrade AhsayOBM / AhsayACB Clients
Downgrade AhsayCBS to AhsayOBS
API
System
System Status / Progress
System Config
System User
Group Policy
User
Backup User
Backup Set
Report
Replication
Redirection
Appendices
Definitions, Acronyms and Abbreviations
Supported Language Code
Supported Timezones
Supported Upgrade Paths
Supported Services of Microsoft 365
System Files for Continuous Backup Exclusion
Comparison of different Replication setup environment
Microsoft 365 License Requirement and Usage
Troubleshooting
"Connection Timed Out" error when enabling AhsayCBS Replication
"Connection refused" error when enabling AhsayCBS Replication
"Invalid Login Name" Errors from uninstalled AhsayACB/OBM
"User Home is not available" warns in AhsayCBS
Accepting Data menu on the AhsayCBS web console shows error status 500
AhsayCBS "Access Denied" Login Error
AhsayCBS Microsoft 365 Backup Authentication Error
AhsayCBS Microsoft 365 backup getting "Mailbox move in progress. Try again later"
AhsayCBS Still Using Default SSL Certificate After Installing New SSL
AhsayCBS and NFS Services Fail to Auto-Start on Linux After Reboot
AhsayCBS console not loading due to corrupted configuration file
Applying Redirector License shows error 099
Backup Fails After Upgrade: Unable to Download v6 Index in CBS
Cannot login to AhsayCBS web management console (License Failure)
Client installers missing from the CBS download page
Customized Installer Creation Prohibited by CBS License Error
Failed to Login to S3-Compatible Storage in CTYun Cloud File Backup
Failed to enable replication on AhsayCBS
IIS Windows page is displayed when accessing AhsayCBS localhost
Installer or Restorer Not Available After AhsayCBS Upgrade
Internal License Error 1012 on AhsayCBS
LDAP Error Code 49 from Active Directory Integration in AhsayCBS
Malformed Input Error When Generating Backup Reports in AhsayCBS
Microsoft 365 Backup on AhsayCBS Fails with MFA Error
Microsoft 365 backup getting error "Failed to login to GraphService"
Microsoft Exchange Backup Errors "No buffer space available"
Missed Backup: Login to ACB/OBM Failed Due to Expired SSL Cert
Recover Deleted Backup Data in CBS by Reverting the Index File
Resolve Throttling Issues in Microsoft 365 Exchange Online Backup
Start AhsayCBS in debug mode
Terminate AhsayCBS Run on Server Backup
Release Notes
Version 10
v10.1.2 (16-Sep-2025)
v10.1.0 (21-Jul-2025)
Version 9
v9.15.0 (23-Apr-2025)
v9.13.2 (06-Feb-2025)
v9.13.0 (02-Dec-2024)
v9.11.2 (12-Sep-2024)
v9.11.0 (26-Aug-2024)
v9.9.20 (29-Jul-2024)
v9.9.16 (30-May-2024)
v9.9.13 (13-May-2024)
v9.9.6 (23-Apr-2024)
v9.9.0 (16-Apr-2024)
v9.7.2.20 (20-Dec-2023)
v9.7.2.0 (07-Dec-2023)
v9.7.0.0 (04-Sep-2023)
v9.5.4.0 (20-Mar-2023)
v9.5.2.0 (09-Jan-2023)
v9.5.0.0 (09-Nov-2022)
v9.3.2.0 (27-Jun-2022)
v9.1.4.0 (06-May-2022)
v9.1.2.0 (28-Feb-2022)
v9.1.0.0 (25-Jan-2022)
Free Trial
Free Trial
AhsayCBS (DIY)
June 26, 2025
Help Centre
AhsayCBS (DIY)
FAQ
v9 Deduplication and Migrate Data
How-To
Hardware & Software Compatibility List
Software Compatibility List for v10
Hardware Requirements for v10
Trusted Certificate Authority (CA) List for version 10
Administrative Management
Checking Backup User Storage Quotas in AhsayCBS Adminstrator Console
Configure Java Heap Size for Microsoft 365 Run-on-Server Backup
Configure Max Concurrent Run-on-Server Backup Jobs in AhsayCBS
Customize Google Drive for AhsayCBS
Digital Certificate Signing with Hardware Token
Enhance AhsayCBS Security: TLS, PFS, HSTS, Strong Cipher
How to Customize Email Reports of AhsayCBS
How to add New User Home on AhsayCBS
How to force another auto update on AhsayACB / AhsayOBM clients
How to hide social media icons in AhsayOBM/AhsayACB
How to manually change the IP filter for access to the AhsayCBS Web Console?
How to manually move backup account between different userhome
How to modify Java Heap Size on AhsayCBS
How to recover AhsayCBS System Account Password
How to regain access to AhsayCBS Web Management Console when the 2FA registered phone is lost
How to reset system admin password
How to start AhsayCBS (in replication mode) as a Backup Server?
How to update the MS VM host version after upgrading the Hyper-V server
Import Data from AhsayCBS Replication Sender to Receiver (Linux)
Import Data from AhsayCBS Replication Sender to Receiver (Windows)
Increase Replication Threads on AhsayCBS to Improve Performance
Migrate AhsayCBS to a New Server
Monitor Run on Server Backup Java Process
Recover users.xml File on AhsayCBS
Renewing AhsayCBS Self-Signed SSL and CA Certificates
Set up Data Synchronization Check (DSC)
Setup Let's Encrypt SSL Certificate for AhsayCBS
Transfer Backup Users Between AhsayCBS Servers
Using Gmail as SMTP setting
View Item Count and Storage Used in Microsoft 365 Admin Center
When Ahsay Default SSL Certificates Are Acceptable for Business Use
License
Ahsay License Management Portal Overview
How to allocate CBS module for active pool key using LMP
How to create a Pool Key from a License Pool?
How to provision a Pool Key for AhsayCBS backup server?
License Calculator for Upgrading from AhsayOBS to AhsayCBS
Backup
How to change the temporary directory of Run-on-Server jobs
Initiate Client Backups from AhsayCBS
Restore
How to use the AhsayCBS online file restorer?
Restore Drill
How does a backup user check their Restore Drill reports from the AhsayCBS web console?
How to check the Restore Drill reports from the AhsayCBS web console?
How to configure default values for Restore Drill for new Backup Sets?
How to enable Restore Drill on a Backup Set from AhsayCBS web console?
How to manually start Restore Drill job from your AhsayCBS web console?
How to resolve the "Restore Drill is disabled for owner" issue?
How to resolve the "Restore Drill is disabled for standard destination AhsayCBS" issue?
How to resolve the "Restore Drill is not enable for backup set" issue?
How to setup Restore Drill system settings on your AhsayCBS server?
How to troubleshoot Restore Drill jobs that are stuck?
How to troubleshoot Restore Drill jobs with "Pending for encrypt key" status?
Immutable Backup
Create immutable predefined destination using Azure on AhsayCBS
How to create a new bucket in Wasabi with Immutable Settings (AhsayCBS)
How to create an Immutable Policy for Wasabi Bucket (AhsayCBS)
How to create an immutable bucket on Amazon S3 cloud for AhsayCBS?
How to create an immutable policy for your Amazon S3 bucket for AhsayCBS?
How to create an immutable predefined destination using Amazon S3 on AhsayCBS?
How to create an immutable predefined destination using Wasabi on AhsayCBS?
How to run Space Freeing Up with backup data stored on an immutable Amazon S3 standard destination?
Cloud Storage
How to create a backup user Access key and Secret key on Amazon S3 for AhsayCBS?
How to create a container on the Microsoft Azure Portal for AhsayCBS
How to create a predefined destination on AhsayCBS using Seagate Lyve Cloud?
How to create a storage account on the Microsoft Azure Portal for AhsayCBS
How to setup Shared access signature on the Microsoft Azure Portal for AhsayCBS
Set up Cloud Storage
Unlock 80% savings on cloud backup storage costs (AhsayCBS)
General
AhsayCBS Hotfix Installation Guide
Can you provide an archive copy of the AhsayCBS installer?
Configure Antivirus Exclusions for AhsayCBS
Docker (Windows)
FAQs on Ahsay Backup Destination (AhsayCBS)
Get Started with AhsayCBS v9
How to Install Latest AhsayCBS Release
How to install AhsayCBS using Docker?
Optimize your file backups using filters (AhsayCBS)
Re-authentication of Microsoft 365 Backup Set
Run CRC Check for v6 Backupsets in AhsayCBS Management Console
Single User Rebuild (Index Rebuild) for Ahsay Legacy v6 Backupsets
Upgrade Tomcat for AhsayCBS
Why CBS Live Activities Shows No Details for Legacy v6 Backup Jobs
Archives
Hardware & Software Compatibility List
Hardware Requirements for AhsayCBS v9
Software Compatibility List for AhsayCBS v9
AhsayCBS Trusted Certificate Authority (CA) List for v9
Hardware Requirements for AhsayCBS v8
Software Compatibility List for AhsayCBS v8
AhsayCBS Trusted Certificate Authority (CA) List for v8
AhsayCBS Trusted Certificate Authority (CA) List for v7
Documentation
Version 10
AhsayCBS Requirements
AhsayCBS Hardware Requirements
AhsayCBS Software Requirements
AhsayCBS Storage Requirements
AhsayCBS Additional Memory Requirements
Requirements for using AhsayCBS User Web Console
Temporary Folder Size for Agentless Microsoft 365 and Cloud File Backups
Additional Linux Requirements
Download AhsayCBS
Download AhsayCBS on Windows
Download AhsayCBS on Windows Server Core
Download AhsayCBS on Linux / FreeBSD
Install AhsayCBS
Install AhsayCBS on Windows
Install AhsayCBS on Windows Server Core
Install AhsayCBS on Linux / FreeBSD
Install AhsayCBS using Docker on Windows
Install AhsayCBS using Docker on Linux
Install AhsayCBS using Docker on QNAP
Uninstall AhsayCBS
Uninstall AhsayCBS on Windows
Uninstall AhsayCBS on Windows Server Core
Uninstall AhsayCBS on Linux / FreeBSD
Login to AhsayCBS
Login to AhsayCBS Web Console
Register Device on AhsayCBS
Troubleshooting Login on AhsayCBS
Setup AhsayCBS
Network and Firewall Settings
Activate License
User Home
SMTP
Host Name and System Home
Languages
Two-Factor Authentication (2FA)
Predefined Destination
User Account
Memory for Run on Server (Agentless) Backups
Administration
Monitoring (Web Console)
Dashboard
Live Activities
Administration Logs
Backup / Restore Logs
Replication Logs
Redirection Logs
Backup / Restore
Basic
Users, Groups & Policies
Backup User
Functions
Manage Backup User
User Group
Policy Group
Replication (Web Console)
Overview
Requirements
Best Practices
Deployment
Recovery Process
Redirection (Web Console)
System Settings
Manage License
Basic Backup Server Configuration
General
Email
Predefined Destinations
Administrative Access
Languages
Two-Factor Authentication (2FA)
Advanced Backup Server Configuration
Auto Save
Proxy
Logging
File Explorer
Runtime Options
Branding
Before Getting Started
Branding for AhsayCBS Interface
Branding for AhsayOBM/AhsayACB
Build AhsayOBM/AhsayACB Installers
Customize Application Name
Customize Download Page
Customize AhsayCBS User Web Console
Branding Behavior
Image Specifications
Web Console Overview
Download Overview
Language Overview
Live Activities Overview
User Overview
User Profile
Backup Set
Settings
Report
Statistics
File Viewer
Effective Policy
Run Direct Overview
Online Help Overview
Run on Server Backup and Restore
Features of Run on Server Backup and Restore
Requirements of Run on Server Backup and Restore
Limitations of Run on Server Backup and Restore
Best Practices and Recommendations of Run on Server Backup and Restore
Create a Backup Set
Cloud File Backup Set
Microsoft 365 Backup Set
Google Workspace Backup Set
Proxmox Backup Set
Run on Server Backup
Run on Server Restore
Run on Server Restore for Cloud File
Run on Server Restore for Microsoft 365
Run on Server Restore for Google Workspace
Run on Server Restore for Proxmox
Run Direct Restore
Data Integrity Check
Space Freeing Up
Delete Backup Data
Upgrade
AhsayCBS to the latest version
Pre-Upgrade
Upgrade Sequence
Upgrade Procedure for Windows
Upgrade Procedure for Linux (CentOS, Red Hat Enterprise, Ubuntu, Debian)
Upgrade Procedure for FreeBSD
Configure Update for AhsayOBM / AhsayACB
Post Upgrade
Upgrade AhsayOBS to AhsayCBS
Upgrade Sequence and Backup Data Migration
AhsayOBS to AhsayCBS Upgrade Procedure for Windows
AhsayOBS to AhsayCBS Upgrade Procedure for Linux (CentOS, Red Hat Enterprise, Ubuntu, Debian)
AhsayOBS to AhsayCBS Upgrade Procedure for FreeBSD
Downgrade
Downgrade AhsayCBS
Downgrade AhsayOBM / AhsayACB Clients
Downgrade AhsayCBS to AhsayOBS
API
System API
System Status / Progress
GetBuildingStatus
GetDataMigrationProgress
GetReplicationStatus
GetSystemStatus
System Config
UpdateServerConfig (v1), UpdateSystemSettings (v2) - Backup Server
UpdateConfig - Backup Server
GetSystemSetting (v1, v2) - Backup Server
UpdateReplicationConfig
UpdateLicense
GetLicense (v1,v2)
GetReplicationMode
AddPredefinedDestination
System User
AddSysUser
UpdateSysUser
RemoveSysUser
AuthSystemUser
ListSystemUsers
Group Policy
AddPolicyGroup
AddPolicyGroupToUserGroup
AddUserGroup
DeletePolicyGroup
DeletePolicyGroupFromUserGroup
DeleteUserFromUserGroup
DeleteUserGroup
ListPolicyGroups (v1,v2)
ListUserGroups
ModifyUserGroup
UpdatePolicyGroup (v1,v2)
User API
Backup User
AddUser (v1,v2)
GetSingleUserRebuildStatus
AddContact
ListUsers (v1,v2)
GetUser (v1,v2)
GetUserStatus
AuthUser
ModifyUserStatus
UpdateUserProfile (v1), UpdateUser (v2)
RunSingleUserRebuild
GetUserStorageStat
GetServerRunJobStatus
RemoveUser
SendForgotPwdEmail
UpdateAUA
Backup Set
AddBackupSet
UpdateBackupSet (v1,v2)
AddSchedule (v1,v2)
UpdateSchedule (v1,v2)
RemoveSchedule
AddSelectSrc
RemoveSelectSrc
AddDeselectSrc
RemoveDeselectSrc
AddFilter
UpdateFilter
RemoveFilter
RemoveBandwidthControl
AddAllowedIP
RemoveAllowedIP
DeleteBackupData
DeleteBackupFile
DeleteBackupSet
GetBackupJobProgress
GetBackupSet (v1,v2)
OpenBackupIndex
ListBackupFiles
GetListBackupFilesResult
CloseBackupIndex
ListBackupJobMode
ListBackupJobs
ListBackupJobStatus
ListBackupSets
RunBackup
AddPreCommand
UpdatePreCommand
RemovePreCommand
AddPostCommand
UpdatePostCommand
RemovePostCommand
ListRestoreJobs
ListRestoreJobStatus
ListRestoreDrillJobs
Report API
GetBackupJobReport
GetBackupJobReportSummary
GetRestoreJobReport
GetRestoreDrillJobReportSummary
Replication API
ListReceiver
UpdateReceivers
RemoveReceiver
Redirection API
UpdateLicense
UpdateServerConfig
Appendices
Definitions, Acronyms and Abbreviations
Supported Language Code
Supported Timezones
Supported Upgrade Paths
Supported Services for Microsoft 365
System Files for Continuous Backup Exclusion
Comparison of different Replication setup environment
Microsoft 365 License Requirement and Usage
Teams Chat Backup Scenarios
Example for Backup of Large Numbers of Microsoft 365 Users
Example Scenario for Backup Set Maintenance
Sub Admin (Reseller) User
Version 9
Requirements
Hardware
Software
Storage
Additional Memory
Using AhsayCBS User Web Console
Temporary Folder Size for Agentless Backups
Permission Requirement for AhsayCBS with AhsayPRD for Agentless Backup
Additional Linux/FreeBSD Requirements
Download
Install
Uninstall
Login
Login to AhsayCBS Web Console
Register Device
Troubleshooting
Setup
Network and Firewall Settings
Activate License
User Home
SMTP
Host Name and System Home
Languages
Two-Factor Authentication (2FA)
Predefined Destination
User Account
Memory for Run on Server (Agentless) Backups
Administration
Monitoring
Backup / Restore
Replication
Redirection
System Settings
Branding
Overview
Run on Server Backup and Restore
Features
Requirements
Limitations
Best Practices and Recommendations
Create a Backup Set
Run Backup Job
Restore
Data Integrity Check
Space Freeing Up
Delete Backup Data
Upgrade
Upgrade AhsayCBS to the latest version
Pre-Upgrade
Upgrade Sequence
Upgrade Procedure for Windows using Executable File
Upgrade Procedure for Windows using Zip File
Upgrade Procedure for Linux
Upgrade Procedure for FreeBSD
Configure Update for AhsayOBM / AhsayACB
Post Upgrade
Upgrade AhsayOBS to AhsayCBS
Upgrade Sequence and Backup Data Migration
Upgrade Procedure for AhsayUBS
Upgrade Procedure for AhsayPRD Instance
Upgrade Procedure for Windows using Executable File
Upgrade Procedure for Windows using Zip File
Upgrade Procedure for Linux
Upgrade Procedure for FreeBSD
Downgrade
Downgrade AhsayCBS
Downgrade AhsayOBM / AhsayACB Clients
Downgrade AhsayCBS to AhsayOBS
API
System
System Status / Progress
System Config
System User
Group Policy
User
Backup User
Backup Set
Report
Replication
Redirection
Appendices
Definitions, Acronyms and Abbreviations
Supported Language Code
Supported Timezones
Supported Upgrade Paths
Supported Services of Microsoft 365
System Files for Continuous Backup Exclusion
Comparison of different Replication setup environment
Microsoft 365 License Requirement and Usage
Troubleshooting
"Connection Timed Out" error when enabling AhsayCBS Replication
"Connection refused" error when enabling AhsayCBS Replication
"Invalid Login Name" Errors from uninstalled AhsayACB/OBM
"User Home is not available" warns in AhsayCBS
Accepting Data menu on the AhsayCBS web console shows error status 500
AhsayCBS "Access Denied" Login Error
AhsayCBS Microsoft 365 Backup Authentication Error
AhsayCBS Microsoft 365 backup getting "Mailbox move in progress. Try again later"
AhsayCBS Still Using Default SSL Certificate After Installing New SSL
AhsayCBS and NFS Services Fail to Auto-Start on Linux After Reboot
AhsayCBS console not loading due to corrupted configuration file
Applying Redirector License shows error 099
Backup Fails After Upgrade: Unable to Download v6 Index in CBS
Cannot login to AhsayCBS web management console (License Failure)
Client installers missing from the CBS download page
Customized Installer Creation Prohibited by CBS License Error
Failed to Login to S3-Compatible Storage in CTYun Cloud File Backup
Failed to enable replication on AhsayCBS
IIS Windows page is displayed when accessing AhsayCBS localhost
Installer or Restorer Not Available After AhsayCBS Upgrade
Internal License Error 1012 on AhsayCBS
LDAP Error Code 49 from Active Directory Integration in AhsayCBS
Malformed Input Error When Generating Backup Reports in AhsayCBS
Microsoft 365 Backup on AhsayCBS Fails with MFA Error
Microsoft 365 backup getting error "Failed to login to GraphService"
Microsoft Exchange Backup Errors "No buffer space available"
Missed Backup: Login to ACB/OBM Failed Due to Expired SSL Cert
Recover Deleted Backup Data in CBS by Reverting the Index File
Resolve Throttling Issues in Microsoft 365 Exchange Online Backup
Start AhsayCBS in debug mode
Terminate AhsayCBS Run on Server Backup
Release Notes
Version 10
v10.1.2 (16-Sep-2025)
v10.1.0 (21-Jul-2025)
Version 9
v9.15.0 (23-Apr-2025)
v9.13.2 (06-Feb-2025)
v9.13.0 (02-Dec-2024)
v9.11.2 (12-Sep-2024)
v9.11.0 (26-Aug-2024)
v9.9.20 (29-Jul-2024)
v9.9.16 (30-May-2024)
v9.9.13 (13-May-2024)
v9.9.6 (23-Apr-2024)
v9.9.0 (16-Apr-2024)
v9.7.2.20 (20-Dec-2023)
v9.7.2.0 (07-Dec-2023)
v9.7.0.0 (04-Sep-2023)
v9.5.4.0 (20-Mar-2023)
v9.5.2.0 (09-Jan-2023)
v9.5.0.0 (09-Nov-2022)
v9.3.2.0 (27-Jun-2022)
v9.1.4.0 (06-May-2022)
v9.1.2.0 (28-Feb-2022)
v9.1.0.0 (25-Jan-2022)