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announcement
documents_and_guides
ahsay-mobile-app-v1.4.0-new-features
feasibility
free-trial-save-password-customization
v8
obm
backup-source-filter
cloud-file-windows
exchange-mail-level-backup-ews
microsoft-exchange-database
Appendix A: Exchange Server Backup Type
Appendix B: Restore Activities Log
5 Backing up Microsoft Exchange Database 2007/2010/2013/2016/2019
7 Backing up Microsoft Exchange Server in Database Availability Group (DAG)
9 Contact Ahsay
AhsayOBM Microsoft Exchange Database Backup and Restore Guide
4 Starting AhsayOBM
3 Overview of MS Exchange Database Backup Process
1 Overview
2 Preparation for Backup and Restore
6 Restoring Microsoft Exchange Server 2007/2010/2013/2016/2019
8 Restore Microsoft Exchange Server 2010/2013/2016/2019 in Database Availability Group (DAG)
OBM: Microsoft Exchange Database Backup and Restore Guide
office-365-windows
How to Login to AhsayOBM
AhsayCBS v8.5.2 New Features
faq
issue
new-index-v8
performance
resources
v7
version_6
version_7
version_8
version_9
version_10
[V7.3.2] ISSUE: Error [UpdateProgress]null (FileServiceError) displayed on AhsayCBS console when backup jobs are performed
[V7][V8] FAQ: How to modify the Java heap size of AhsayCBS?
[V7] FAQ: How to run a Data Integrity Check for backup data stored in backup destination?
[V7] Backup Destination Overview
[V7] FAQ: Best practices for managing encryption key on AhsayOBM or AhsayACB?
[V7] FAQ: Frequently Asked Questions about AhsayOBM installation on Synology NAS devices
[V7] ISSUE: Error [UpdateProgress]null (FileServiceError) displayed on AhsayCBS console when backup jobs are performed
[V7] ISSUE: Incorrect error message 'Another backup job is still running' is displayed (MS Exchange mail level backup)
[V7] ISSUE: Unable to do Offsite backup (Error initializing bptree)
[V7] ISSUE: Option to disable signal handlers (-Xrs) disabled automatically for unknown reason (issue with AhsayCBS)
[V7] ISSUE: Duplicate databases displayed under empty DAG group when creating a MS Exchange mail level backup set
[V7] ISSUE: MS Exchange DAG server scheduled / continuous backup jobs are not running (Run scheduled backup on computers named setting is incorrect)
[V7] ISSUE: Scheduled / continuous backup jobs of Hyper-V Cluster VM backup set are not running (Run scheduled backup on computers named setting is incorrect)
[V7] FAQ: How to run a Data Integrity Check on AhsayOBM version 7 on Linux (CLI) machine
[V7] FAQ: Restrictions on the temporary storage location for the Windows System State and System backup image file
[V7] ISSUE: MSSQL Server databases are not shown in AhsayOBM backup source if the hostname of the database server is longer than 15 characters
[V7] ISSUE: No appenders could be found for logger (warning in debug log during a scheduled backup / when running AhsayOBM scripts on Linux platforms)
[V7] ISSUE: Another backup job is still running. Backup skipped
[V7] ISSUE: Fail to load CBT, will perform normal in-file delta (Hyper-V VM backup)
[V7] ISSUE: The NFS Service on this machine is not started or not functioning properly (VMware Run Direct restore)"
[V7] ISSUE: Failed to mkdir / Failed to list path (error when enabling replication to another AhsayCBS server)
[V7] ISSUE: Error when installing AhsayOBM on FreeBSD (/usr/local/obm/jvm/lib/security is not a directory)
[V7] DOC: AhsayOBM User Guide for MS Exchange 2016 Mail Level Backup and Restore
[V7] ISSUE: Error displayed when logging into AhsayOBM or AhsayACB (Apache Tomcat/6.0.51 - Error report)
[V7] ISSUE: Error when installing AhsayOBM / AhsayACB (Download failed: HTTP error 400: Bad request)
[V7] FAQ: How do I move an AhsayOBM / AhsayACB installation onto another machine?
[V7][V8][V9] FAQ: How to provision a Pool Key for AhsayCBS backup server?
[V7] ISSUE: Virtual Machine version does not support RCT (Hyper-V VM backup)
[V7] FAQ: Do AhsayOBM / ACB support move file for Office 365 Exchange Online backup set?
[V7] ISSUE: Deleted mails on Office 365 Outlook (mails moved to Delete Items folder) are deleted, and backup again
[V7] ISSUE: AhsayOBM / ACB crash when performing backup or restore on a VMware virtual machine with VMware Tools pre-10.0.5 installed
[V7] ISSUE: Failed to save encrypted backup set encryption key to server. Failed to get OutputStream of file
[V7] ISSUE: The process cannot access the file because it is being used by another process (UsrClass.dat)
[V7] ISSUE: Cannot perform MS SQL differential / transaction log backup (ODBC backup mode)
[V7] ISSUE: The statement BACKUP LOG is not allowed while the recovery model is SIMPLE (MS SQL transaction log backup)
[V7] ISSUE: BACKUP LOG cannot be performed because there is no current database backup (MS SQL transaction log backup)
[V7] ISSUE: Operating system error 5 (Access is denied) (MS SQL database backup)
[V7] ISSUE: A nonrecoverable I/O error occurred on file 112 (There is not enough space on the disk) (MS SQL database backup)
[V7] ISSUE: Insufficient disk space available for temporary directory. Required free space at least: 100MB
[V7] ISSUE: Required file for database is missing (MS SQL database backup)
[V7] ISSUE: BACKUP DATABASE permission denied in database (MS SQL database backup)
[V7] ISSUE: Temporary directory must set to remote share or cluster shared volume (Hyper-V Cluster VM backup)
[V7] ISSUE: Blank password is not allowed because of an account restriction
[V7] ISSUE: Cannot open the client user interface with error javax.crypto.BadPaddingException: pad block corrupted
[V7] FAQ: Silent install command for installation / deployment of AhsayOBM / ACB (for Windows)
[V7] FAQ: How to move a backup user to a different AhsayCBS server in the same Redirector setup?
[V7] ISSUE: Cannot start shadow copy, reason = Failed to get VM State. Error = Invalid namespace (Hyper-V VM backup)
[V7] ISSUE: Backup location is running low on space (MS Windows System / System State backup)
[V7] ISSUE: Skip backing up database (Database does not exist) (MS SQL database backup)
[V7] ISSUE: Backup cannot be done to a remote shared folder which is not formatted with NTFS (MS Windows System / System State backup)
[V7] ISSUE: One of the volumes specified for backup is invalid because it is either not on a fixed drive, is not formatted NTFS/ReFS, or is read-only. (MS Windows System / System State backup)
[V7] ISSUE: MS Windows System State Backup module is not supported (MS Windows System State backup)
[V7] ISSUE: Backup Source cannot include the location for storing the system backup (MS Windows System backup)
[V7] ISSUE: Windows Server Backup is not installed (MS Windows System / System State backup)
[V7] ISSUE: The specified backup storage location has the shadow copy storage on another volume (0x80780038) (MS Windows System backup)
[V7] ISSUE: Enumeration of the files failed (MS Windows System State backup)
[V7] ISSUE: The shared restore point operation failed with error (0x81000101) (MS Windows System / System State backup)
[V7] ISSUE: Failed to commit journal. Not all data can be written to blocks available
[V7] ISSUE: [Bptree.KeyRangeIterator.hasNext] Error=[ABlock.parse] Cannot parse file
[V7] ISSUE: Skip backing up database (Instance is offline) for database that is actually online (MS SQL database backup)
[V7] ISSUE: No database file found (MS SQL database backup)
[V7] ISSUE: Backup failed to run space free up of destination. Error: Log is corrupted. Error=null, caused by [NullPointerException] null
[V7] ISSUE: Cannot run Data Integrity Check and Space Freeing Up job. Error: Log is corrupted. Error=null, caused by [NullPointerException] null
[V7] ISSUE: java.lang.OutOfMemoryError: Java heap space Message: Java heap space
[V7] ISSUE: The installer / restorer is outdated. Please contact the System Administrator to obtain the latest version
[V7] ISSUE: The length of the device name provided exceeds supported limit (maximum length is:259) (MS SQL database backup)
[V7] FAQ: How to un-delete backup data that were moved to retention unintentionally
[V7] ISSUE: The required image files of volume not found (ShadowProtect System restore)
[V7] ISSUE: java.lang.NullPointerException error is returned when calling GetBackupJobReportSummary.do API
[V7] ISSUE: Granular Restore / OpenDirect option is disable after updating backup set with UpdateBackupSet.do XML API call
[V7] ISSUE: Error=[ExchangeStandardFolder.getOrdinal] Invalid ID (Office365 Exchange online backup)
[V7] FAQ: Trusted Certificate Authority (CA) Certificates List for version 7.3.0.0 or above
[V7] ISSUE: Cannot login to AhsayCBS web management console (License Failure)
[V7] ISSUE: Domino Version '900.0' not supported (cannot create IBM Lotus Domino backup set)
[V7] ISSUE: Cannot open the client user interface with error failed to obtain IV from input stream
[V7] ISSUE: [BackupCloudFileCmd.uploadBackupFiles][com.ahsay.afc.cloud.d] Error=[d] DropboxManager.newFolderIterator (Cloud File backup)
[V7] ISSUE: Cannot create Cloud File backup set for Citrix ShareFile FTP
[V7] ISSUE: Cannot remove non-existing backup source (Cloud File backup)
[V7] ISSUE: Failed to take VM recovery checkpoint. Error = Object reference not set to an instance of an object (Hyper-V VM backup job)
[V7] ISSUE: Unable to generate delta using CBT. Reason=CBT log files do not match the number of virtual machine preferred owners (Hyper-V Cluster VM backup)
[V7] ISSUE: Error [BackupSetIndex.init] when performing a restore
[V7] ISSUE: Error [BackupSetIndex.init] when performing a restore
[V7] ISSUE: Auto update of AhsayOBM failed with error "Cannot run program fuser" (AhsayOBM on CentOS / RHEL)
[V7] ISSUE: LAN manager authentication level must be 3 or higher (cannot create MS Exchange mail level backup)
[V7] ISSUE: Cannot backup data on network path if folder name contains pound sign (#) at the start (for client on Windows 10, version 1803)
[V7] ISSUE: The SQL Server version and the version of Backupset doesn't match (MS SQL 2017)
[V7] ISSUE: Unexpected hash name conversion failure (issue with MS SQL ODBC backup to more than one destination)
[V7][V8][V9] FAQ: When are the default Ahsay dummy / self-sign certificate acceptable for business?
[V7] ISSUE: Run Direct is only supported for VDDK backup mode. (Server license is not support to use VDDK) (incorrect license detection for ESXi server with paid license)
[V7] ISSUE: VSS_E_FLUSH_WRITES_TIMEOUT (MS Exchange server backup)
[V7] ISSUE: Failed to backup virtual machine (cannot backup Hyper-V VM with replication enabled)
[V7] FAQ: Windows System State backup vs. System backup of a domain controller
[V7] FAQ: Ahsay Hardware Compatibility List (HRL) for AhsayOBM on QNAP NAS
[V7] FAQ: Suggestion on antivirus exclusions to improve performance of Ahsay software on Windows
[V7] FAQ: SQL transaction log file size is not reduced / shrunken after a Transaction Log backup (in ODBC backup mode)?
[V7] FAQ: How to setup IP filter to restrict access to AhsayCBS system and user web console?
[V7] ISSUE: Cannot backup files and folders on Google Drive with name containing underscore character
[V7] ISSUE: No suitable Python found for arm-x41 (cannot install AhsayOBM on QNAP NAS)
[V7] ISSUE: Accepting Data menu on the AhsayCBS web console shows error status 500
[V8] ISSUE: All backup jobs stopped running and user cannot to login to the AhsayOBM / ACB client application
[V8] ISSUE: Your changes conflict with those made concurrently by another user. If you want your changes to be applied ... 409 Conflict (Office 365 restore)
[V8] ISSUE: You do not have permission to perform this action or access this resource. 403 Forbidden (Office 365 restore)
[V8] ISSUE: List data validation failed. 500 Internal Server Error (Office 365 restore)
[V8] ISSUE: Cannot connect to Office 365 on the backup set, reason = "Failed to login to Office 365, reason = [ServiceException] Message = Forbidden, response code = 403"
[V8]ISSUE: Failed to get OAuth2Tokens after retrieved from OneDrive
[V8] ISSUE: Delta disk format of virtual disks is not supported by datastore (VMware ESXi restore)
[V8] ISSUE: VSS_E_FLUSH_WRITES_TIMEOUT (MS SQL database backup in VSS mode)
[V8] ISSUE: Error displayed when logging into AhsayOBM or AhsayACB (Apache Tomcat/6.0.51 - Error report)
[V8] FAQ: How to import data from an AhsayCBS replication sender directly onto an AhsayCBS replication receiver (Windows)
[V8] FAQ: How to import data from an AhsayCBS replication sender directly onto an AhsayCBS replication receiver (Linux)
[V8] ISSUE: MS Windows System State Backup module is not supported (MS Windows System State backup)
[V8][V9] ISSUE: Using VNC and try to launch AhsayOBM, the user interface will not be displayed in the VNC session
[V8] ISSUE: Error when backing up EFS encrypted files - Failed to List (Reason OpenEncryptedFileRawW)
[V8] Enhancement: CBS Branding Image Validation
Windows Active Directory Integration
Administration Log
Administrative Access
[V7] ISSUE: After a reboot of a Linux AhsayCBS server the AhsayCBS NFS service is not automatically starting up
[V9] Supported Microsoft 365 Services for Ahsay Microsoft 365 Backup
[V9] Supported Immutable Backup Destinations in version 9.7 or above
AhsayACB
AhsayCBS
AhsayMOB
AhsayMobile
AhsayOBM
AhsayOBM / AhsayACB
AhsayOBR
AhsayCBS Redirection Module
AhsayCBS Replication Module
AhsayUBS
Alibaba Cloud (Aliyun)
Amazon S3
API
Backblaze B2
Backup and Restore
Backup Destination Storage
Backup / Restore Logs
FAQ: Can I backup to multiple Backup Destinations with a single backup set?
FAQ: For backup set with multiple Backup Destinations, how to choose which destination to backup to?
Windows System / Windows System State
Best Practice for AhsayOBS to AhsayCBS Upgrade and Data Migration
[V7] ISSUE: "Cannot connect SSH, please check the SSH settings" error when creating a backup set on a VMware ESXi host
AhsayCBS User Home
[V7][V8] FAQ: AhsayCBS Auto Save
Cloud File Backup Set
Command Line Tool
Concurrent / Sequential Backup
Continuous Backup
CTYun (China Telecom)
[V7] ISSUE: ‘curl: not found File does not exist’ error when installing AhsayOBM v7 on Linux or FreeBSD using CLI
Customization and Branding
Cyclic Redundancy Check (CRC)
Dashboard
[V8] Data Integrity Check
Documents and Guides
Dropbox
Encryption
Encryption Key Recovery
FAQs and Known Issues
FAQs and Known Issues for Ahsay Backup Software v7
FAQs and Known Issues for Ahsay Backup Software v8
File Backup Set
[V8] Filter
Google Cloud Storage
Google Drive
Granular Restore for VMware / Hyper-V
Group Policy
Welcome to AhsayWiki
How to apply hotfix to AhsayCBS
How to apply hotfix to AhsayOBM/AhsayACB
[V7] ISSUE:"[New File] File="/filename01" Error="[IOException] [NixUtil.c][read] Invalid argument" when backing up files on Linux machine
License Management (Pooling)
Live Activities Monitoring
Login
Lotus Domino / Notes
Meter License (Pay-As-You-Go Model)
[V8] Multi-Factor Authentication
Microsoft Azure
Microsoft Exchange Server 2007/2010/2013 Mail Level Backup Set
Microsoft Exchange 2016 / 2019 Mail Level Backup Set
Microsoft Exchange Server Database Backup Set
Microsoft Hyper-V Backup Set
Microsoft OneDrive
Microsoft SQL Database Backup Set
MySQL Database Backup Set
[V8] Office 365 Backup Set (Exchange Online, SharePoint Online & Data in OneDrive)
Office365 Exchange Mail
OpenDirect for File Backup Set
Open File Backup in Windows
OpenStack
Oracle Database
Perpetual License (Purchase Model)
Predefined Destination
Proxy
AhsayOBM for QNAP NAS
Rackspace
Redirection Logs
Replication Logs
Report
Reseller Management
Retention
AWS S3 Compatible Cloud Storage
Schedule
Search
Seeding Initial Backup Data to AhsayCBS / Cloud
FAQ: What is the different between backup mode 'Sequential' and 'Concurrent'?
Server and Client Management
SFTP / FTP
Announcement
FAQ: What is the different between destination type 'Single Storage Destination' and 'Destination Pool'?
Email Reports
Software Architecture
FAQ: Which cloud storage services are supported by AhsayCBS (Cloud Backup Suite)?
Supported AWS S3 Compatible Cloud Storage
First Tier Support Script
First Tier Support Script
AhsayOBM for Synology NAS
Temporary Directory
[V7] ISSUE: When performing a VMware Run Direct restore on AhsayOBM the following error is shown “The NFS Service on this machine is not started or not functioning properly. This service is required for VM Run Direct."
[V7] ISSUE: “Throwable=Direct buffer memory, caused by [OutOfMemoryError] Direct buffer memory "error when running backup on AhsayOBM/AhsayACB
[V6] FAQ: Trusted Certificate Authority (CA) Certificates List for version 6.29.0.0
[V7] ISSUE:“CMD.EXE was started with the above path as the current directory. UNC paths are not supported. Defaulting to Windows directory.” when running a Windows batch file as a pre or post command from a network drive (5233)
Unlimited Trial Accounts Creation
USB / Local Drive / Network Share (Mapped Network Drive)
Users Management
Supported Office 365 Services for Ahsay Office 365 Backup
Version 6
version_10
VMware Backup Set
[V7] ISSUE: Unable to find vmrun.exe in "‘C:\Program Files (x86)\VMware\VMware Player’ or ‘C:\Program Files (x86)\VMware\VMware VIX’" when creating a VMware Workstation BackupSet
[V7] ISSUE: Guest virtual machines are not shown in AhsayOBM backup source when creating a VMware Workstation backup set
Wasabi
FAQ: What is a Backup Destination?
Windows System (Bare Metal) Backup Set
Windows System State Backup Set
wiki

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