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v8.3.6.30 Release Notes (28-Sep-2020)

You are recommended to upgrade to this version if the enhancements or the bug fixes listed below are beneficial to you. Otherwise, you may stay with your current version. All users are recommended to first test running this release on a testing server before actually upgrading the production servers.

Limitation / Known Issue of This Version

Deployment / Upgrade

  • For multi-domain SSL certificates added to CBS before v7.17.0.30, users are required to re-add the SSL certificates to CBS v7.17.0.30 or above, before the certificates can be used on sub-admins accounts.


This release contains the major features listed below:



Backup Destination

  • Enhanced OBM/ACB Retry Logic when connection to CBS during backup is broken or timeout (ref: TBZ-495-71317, T-27872)

Application specific backup - Office 365

  • App-Registration Support - Modern Authentication on Global Region (ref: T-28242)


  • Performance Enhancement - Replicate 4 files concurrently for a single backup set (ref: T-26891)


  • Upgrade Apache Tomcat to - For CBS Vulnerability CVE-2020-13935 (ref: GRQ-944-61696, MCG-744-28747, T-27802)

System maintenance

  • Performance Enhancement - Check last modified timestamp for OBM storage statistic files, instead of mirroring, to speed up uploading of new log files (ref: T-27939)

User Experiences

  • Allow selecting multiple items by shift + one-click in Office 365 Backup Source Selection (ref: T-27824)

AhsayOBM / AhsayACB

Application specific backup - Office 365

  • App-Registration Support - Modern Authentication on Global Region (ref: T-28242)

Application specific backup - VMware

  • Add warning message to VMware Backup job when customers using ESXi 5.0.x, 5.1.x, 5.5.x, 6.0.x which affected by VMWare-CBT's bug (ref: SLV-501-87080, T-28062)

System maintenance

  • Redesign Logic - Periodic Data Integrity Check (PDIC) to align with Data Integrity Check (ref: T-25392)

User Experiences

  • Allow selecting multiple items by shift + one-click in Office 365 Backup Source Selection (ref: T-27823)

Bug Fix


  • CBS - does not display ERROR, when setting IsFreeTrialOfferAllowed for an ADMIN role account (ref: T-27799)
  • CBS - v6 XML API returns error JSONObject[“BackupType”] not a string on CBS v8 (ref: GEL-606-39419, T-27947)

General / Miscellaneous

  • CBS - Change the display message to “You have entered an old password” if the password inputted is the same as the old password in CBS > “Forgot Password” (ref: OXT-333-50051, T-27912)


Restore / Decrypt

  • CBS, OBM - Office 365 SharePoint restore encounters “500 Internal Server Error” and makes restore very slow (ref: OPL-824-91860, T-27833)
  • OBM - File restore from Local Destination encountering “Failed to locate the required chunk because this is no CloudManager for lDestID” (ref: VWP-688-92825, T-28034)
  • OBM - Fail to restore File with error “[ObsManager.getInputStream] Target is not a file” (ref: HZV-611-88305, KBU-417-43274, UHE-243-66681, T-27700)
  • OBM - Virtual disk of VM machine is inaccessible after restore (Hyper-V backup set) (ref: FLP-689-22894, T-28144)
  • OBM - Hyper-V Run Direct Restore takes unexpectedly long time for the restore and no VM is started yet (ref: MLF-280-15062, T-27903)

Application specific backup - Cloud File

  • OBM - Cloud File backupset could not show files of the Google Cloud Storage in the backup source (ref: ASC-190-28157, T-28036)

Application specific backup - Microsoft Exchange Mail Level

  • OBM - 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 (ref: ZUU-635-25936, T-28212)

Application specific backup - Office 365

  • CBS - Office 365 Run on Server Backup cannot start by manual or schedule after upgraded to CBS v8.3.4.42 (ref: FOF-880-87637, HIP-606-55036, WRS-203-43147, T-28072)
  • CBS, OBM - Encounter “Backup source does not exist” warning even backed up Office 365 account's data (ref: T-28338)
  • CBS, OBM - Encounters “Failed to list failed to respond” error after upgrade (ref: OHE-627-95743, T-28213)
  • CBS, OBM - Office 365 Backupsets counts additional license for users who changed mailboxes to another domain (ref: BEA-623-30236, T-27945)

Operating systems

  • CBS - v8.3.4.42 services are not automatically started after a reboot on Ubuntu 20.04 (ref: JOB-552-85707, NBF-613-42184, T-27984)

System maintenance

  • CBS - CBS logs “Error getting 'free trial option' (or 'the product name') from license” error when service starts (ref: AYS-692-66968, T-28124)


  • Enhanced Security Handling of Ahsay-Twilio-MFA (ref: KDZ-418-55992, T-28057)
public/resources/release_notes_v83630.txt · Last modified: 2020/09/28 21:24 by clarence.lee

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