AhsayACB / AhsayOBM / AhsayOBR v10.3.6 Release Notes (02-Nov-2026)

Backup Destination

• OBM - Backup to S3 Storage Destination gets error "failed in delete file, path: %.BAK%, HTTP Code: 400 [IncompleteBody], You did not provide the number of bytes specified by the Content-Length HTTP header"

General / Miscellaneous

• OBM - Login gets error ""Cannot invoke "JsonNode.asText()" for Backup Users with MFA Enabled"
• OBM - Backup gets error "Failed to initialize RemoteBDB.Cloud. Error=Cannot invoke "obx.core.backup.file.aB.a()" because "" is null"
• OBC - Folder missing from Backup source list UI

File Backup/Restore

• OBM - 'ArrayIndexOutOfBoundsException: Index 1 out of bounds for length 1' error hit using Restore.bat for restore job
• OBM - Restore UI is blank when trying to restore a successful backup

Application-specific Backup/Restore - Microsoft 365

• OBM - Files/items inside the folder of OneDrive backup are not visible in Restore List
• OBM - Restoring M365 OneDrive data to an alternate location gets stuck
• OBM - Failed to create backupset with Microsoft Account (register with existing Email)
• OBM - Backup gets error "Failed to parse date time. DateTime= 2021-03-11T09:00:00.0000000Z, TimeZone=tzone://Microsoft/Utcrn"
• OBM - Backup gets error "Insufficient privileges to complete the operation"
• OBM - Backup gets error "java.lang.UnsupportedOperationException: [OutlookManager.getInputStream] Not supported for business account"
• OBM - Backup gets error ""The provided grant has expired due to it being revoked, a fresh auth token is needed" even after re-authenticating the backupset
• OBM - Backup gets error [OutlookItem][getInputStream] Failed to get InputStream
• OBM - Backup gets error "Failed to parse JSON string"
• OBM - Backup gets error "ApplicationThrottled: Application is over its MailboxConcurrency limit.
• OBM - Restored PST file cannot be opened in Outlook Classic
• OBM - Restore PST gets error "Your request can't be completed right now."
• OBM - Restore Outlook Notes failed with error "Failed to get parent attribute from cache, sTargetDir: Notes"
• OBM - Error "FastPipedOutputStream has been closed by the reading thread. Message='Failed to get OutputStream of file" when restoring Calendar to original location
• OBM - Public Folder Restore Options Are Inconsistent Between AhsayCBS and AhsayOBM
• OBM - Outlook restore gets error "Failed to write PST"
• OBC - Username becomes empty when re-authenticating the backupset and has an error "The primary SMTP address must be specified when referencing a mailbox"

Application-specific Backup/Restore - Google Workspace

• OBM - New Google Meet recordings are skipped for Meet during backup

Application-specific Backup/Restore - Microsoft Exchange

• OBM - Backup gets error "PowerShell 2.0 or PowerShell 2.0 Engine not installed" for Windows Server 2025"

Application-specific Backup/Restore - MySQL

• OBM - Backup Missing Host Type Parameter in MySQL backupSet.xml

Application-specific Backup/Restore - Hyper-V

• OBM - Retention Clean up hits error "Exception in 2/files/delete_v2"

Application-specific Backup/Restore - Microsoft Windows System Backup/Restore

• OBM - Restore failed with error "Fail to read stream" ... "The request signature we calculated does not match the signature you provided. Check your key and signing method"

Operating Systems

• OBC - Cannot install OBM/ACB on 32-bit OS (Error: The file "taskkill.exe" was not found)

Synology / QNAP

• OBM - File backup job gets stuck on subsequent scheduled backup after previous successful run
• OBM - Installation gets error "Failed to install the package"