Operational Defect Database

BugZero found this defect 2029 days ago.

Veeam | kb2765

Veeam Backup for Microsoft 365 v2 cumulative patch KB2765

Last update date:


Affected products:

Veeam Backup for Microsoft 365

Affected releases:


Fixed releases:

No fixed releases provided.



Veeam Backup for Microsoft 365 v2 cumulative patch KB2765


Please confirm you are running Veeam Backup for Microsoft 365 version prior to installing this cumulative patch KB2765. You can check this under Help > About in Veeam Backup for Microsoft 365 console. After upgrading, your build version will change to a result of on-going R&D effort and in response to customer feedback, cumulative patch KB2765 brings optimizations to SharePoint Online and OneDrive for Business interactions and processing making backup jobs less affected by throttling, and includes a set of bug fixes, the most significant of which are listed below:   Licensing   •    Discovery Search Mailbox may consume a license when included into a backup job.•    Under certain conditions resource mailboxes may consume a license.   SharePoint Online and OneDrive for Business processing   •    SharePoint Online and OneDrive for business backup jobs may fail with the “Specified argument was out of the range of valid values” error. More details in KB 2713.•    SharePoint Online personal sites may have duplicate names displayed in a Backup Job wizard.•    Backup of SharePoint Online and OneDrive for Business items with an incorrect last modified date may fail with the “Item not found in the database” error.•    SharePoint Online and OneDrive for business backup jobs may fail with the “Failed to backup item: , The remote server returned an error: (404) Not Found” warning.   Group and shared mailboxes backup   •    Group mailbox backup may fail with the “Failed to find group owner account” warning.•    Private Office 365 group backup may fail, if a group owner has more than one record in Office 365.•    In hybrid organizations, shared mailbox backup job may fail with the “Unspecified error”.   Server   •    Collecting Veeam Backup for Microsoft 365 logs with remote console may fail with the “Object reference not set to an instance of an object” error. •    Connecting to a remote management server with Connect-VBOServer PowerShell cmdlet fails.•    Under certain conditions backup job retry behavior is incorrect.


To install the cumulative patch KB2765:1.    Download VBO2.0-KB2765.msp. 2.    Execute VBO2.0-KB2765.msp as administrator on the Veeam Backup for Microsoft 365 server.3.    If there are any remote proxies in your environment please update those as described here 4.    If you use a remote VBO365 console and/or remote VBO365 PowerShell module installation, please contact technical support to assist you in upgrading those components.

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