BOBcloud online backup change log (v8.3.6.30)

Last updated 27th October 2020

This update has been pushed out to your devices.

We recommend you check your devices have been updated to the latest version so you can benefit from the latest features and improvements.

How to check which version of BOBcloud your devices are using

Please note: Some older Linux and Mac OS’ will need a manual update. This is simple to do and shown in this tech doc.
How to upgrade the software on your devices

This article relates to the software we use [Ahsay]

OS’ and databases supported Link
Synology devices supported Link
QNAP devices supported Link

AhsayOBM is a server OS
AhsayACB is a desktop OS

Ahsay™ Cloud Backup Suite, v8.3.6.30 (released 15th October 2020)

Changes and enhancements

Backup agent Operating Systems

  • Ubuntu 20.04 LTS
  • MacOS Catalina (10.15) (Release date: 7/10/2019)

Office 365

  • App-Registration Support - Modern Authentication on Global Region
  • Performance Enhancement - Support the use of Microsoft’s ChangeKey API (Graph) to enhance listing for Incremental Backup Jobs
  • Provide schedule options to run “Data Synchronization Check”
  • Allow selecting multiple items by shift + one-click in Office 365 Backup Source Selection
  • App-Registration Support - Modern Authentication on Global Region


  • Better handling of Error & Debug message for VMware Backupset
  • Support for vCenter Server / ESXi 7.0

MS Exchange

  • Add an option to show all users in MS Mail-level 2013 or above EWS mode backup


  • Support for MSSQL 2019

File backup

  • Support Periodic Schedule Backup for all Backupset types in OBM/ACB
  • Support selecting UNC path as the backup source without prior mapping with a drive letter

Synology / QNAP

  • Support for Daily, Monthly and Custom Backup Schedules

Other application-specific backups

None in this update

Backup destinations added

None in this update

Index updates

None in this update

User experiences

None in this update

Bug Fixes

Restore / Decrypt

  • Server: Hyper-V Granular Restore Error = ”[RunDirectUtils.addSegmentToSource] Failed to find backup file
  • Server: Restore Error, “Delta file is corrupt (Download size (“xx”) is not equal to original size (“yy”)) on Office 365 restore job
  • Server: Exchange Server Restore Error, No .edb file available on Restore GUI
  • Server: Exchange Mail Level restore fails due to “Target is not a file” error caused by missing bak file
  • Server: Restore from MSSQL 2019 does not show database for some backup jobs
  • Server: Handle network issue that downloaded file size NOT match with that in index, OBM will keep retry downloading the block file until user interrupt
  • Server: Fail to restore File with error “[ObsManager.getInputStream] Target is not a file”
  • Server: Virtual disk of VM machine is inaccessible after restore (Hyper-V backup set)
  • Server: Hyper-V Run Direct Restore takes unexpectedly long time for the restore and no VM is started yet


  • Server: O365 client backup has a missing site in the source list, CBS shows incorrect O365 credentials prompt when trying to modify Backupset settings
  • Server: O365 China cannot list emails/files from source with sufficient permission granted
  • Server: After backup SharePoint site with delta TWICE, restore error “Fail to restore “Office 365/Site ” is hit
  • Server: “NullPointerException” Error when performing Incremental Backup with Source Changes
  • Server: When Office 365 backup job is performed to Local and S3, hit error stringIndexOutOfBoundsException & crashes on S3
  • Server: When Site Collection URL contains special character, it cannot be listed on Source Tree
  • Server: Office 365 Run on Server Backup cannot start by manual or schedule after upgraded to CBS v8.3.4.42
  • Server: “Backup source does not exist” warning even backed up Office 365 account’s data
  • Server: “Failed to list failed to respond” error after upgrade
  • Server: Office 365 Backupsets counts additional license for users who changed mailboxes to another domain

File backup

  • Server: Backup Error, File=”%FilePath%\Ufffd\Ufffdש ק\Ufffd\Ufffdש\Ufffd \Ufffdצ צUfffd…File New[10120=Version][BackupFile ([as already exists
  • Server: Backup recognises files/folders with accent marks in the filename as “does not exist” on Linux platform
  • Server: Backup Error, [CloudFileSystem.createFile] Parent directory %path_with_special_characters_with_accent% does not exist errors
  • Server: Backup Error, Failed to list sPath=”%Blocks Folder’, caused by [NullPointerException] null
  • Server: Backup stuck at Delete File Directory for Fresh installed OBM in macOS
  • Server: Backup Files without File Permissions does not work
  • Server: File Backupset PDIC after migration failed due to “[NullPointerException] null” error
  • Server: File backup removed all data by DIC due to backup job failed and empty/faulty db index generated
  • Server: “Found more than 1 full backup file” & “No full file found for in-file delta backup files” hit in backup jobs

Cloud File

  • List item
  • Cloud File backupset could not show files of the Google Cloud Storage in the backup source


  • Server: When performing VMware backup to 2 destinations, OBM crashed when backup the same segment for 2nd time


  • Server: Hyper-V backup got snapshot retained after backup
  • Server: Hyper-V Server 2019 Failed to backup virtual machine “xxxx”., Reason = “Disk “C:\Windows\system32\vmguest.iso” does not exist.”
  • Server: Hyper-V 2016 Failover Cluster backup encounters ”…bak NOT Found” error

MS Exchange Mail

  • Server: Mail-level backup gets Failed in listing sub-folders/items from path … [ArrayIndexOutOfBoundsException] 8192 errors
  • Server: Exchange EWS backup get massive [EwsService.getItems] Retry after 60 seconds messages and the jobs are stuck
  • Server: “NullPointerException” Error when performing Incremental Backup with Source Changes
  • Server: Error = “Failed to login to cloud service with the credentials provided.” when Username in Backupset Setting is not the primary SMTP address of the mailbox


  • Server: Backup Error, “Required file %File_Path% for database is missing

Synology / QNAP

  • Server: OBM prompts Internal Server Error when opening on QNAP TS-251+
  • Server: When creating Backupsets with fixed-time schedule enabled, failed to create Backupset
  • Server: LocationType is NOT shown when creating standard GCS destination in NAS OBM
  • Server: Upon creating a trial user in OBM login page, and upon clicking Show advanced option link, it is not responding