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Veeam Backup for Microsoft Office 365 5c cumulative patch KB4187

KB ID: 4187
Product: Veeam Backup for Microsoft Office 365 5.0
Published: 2021-07-12
Last Modified: 2021-09-01

Requirements

Please confirm you are running Veeam Backup for Microsoft Office 365 build 5.0.2.22 prior to installing this cumulative patch KB4187. You can check this under Help and Support > About in Veeam Backup for Microsoft Office 365 console. After upgrading, your build version will change to 5.0.2.42.

As a result of ongoing R&D effort and in response to customer feedback, cumulative patch KB4187 provides a set of bug fixes, the most significant of which are listed below:

Resolved Issues

General

  • Under certain conditions a proxy may fail with the “Out of Memory” error during backup to an object storage repository.

Backup

  • Microsoft Teams backup may fail with “Folder processing failed: Team Chat. Restriction contained too many elements” error.
  • Backup of Team Chat messages created after October 2020 may fail with the “Failed to get TeamsMessagesData folder” error.
  • Microsoft Teams backup fails with “Object reference not set to an instance of an object” error.
  • OneDrive backup fails with “Object reference not set to an instance of an object” error if there’re any large OneNote files that are open and being edited during backup.

Restore

  • In BaaS scenarios, exporting backup data to a local disk on the tenant side fails with the timeout error.
  • Export operation in Veeam Explorer for Microsoft Exchange may fail with the “Connection to server was unexpectedly closed” error.
  • For larger Office 365 organizations, some OneDrive accounts may not be displayed in the “Copy OneDrive” wizard

RESTful API

  • SharePoint site title field is empty if such a site has been added to a backup job explicitly via REST API and the site title has not been explicitly specified.
  • Removing a group with audit items via REST API doesn't work as expected but reports back response code 200.
  • In BaaS scenarios with the modern app-only approach, obtaining a token for tenant authentication via REST API fails if a combination of capital and lower-case letters is used to specify the client_id parameter.

Solution

To install the cumulative patch KB4187:

  1. Download VeeamBackupOffice365_5.0.2.42_KB4187.zip
  2. Execute VeeamBackupOffice365_5.0.2.42_KB4187.msp as administrator on the Veeam Backup for Microsoft Office 365 server.
  3. Execute VeeamExplorerForExchange_5.0.2.42_KB4187.msp as administrator on each machine where Veeam Explorer for Microsoft Exchange is installed.
  4. Execute VeeamExplorerForSharePoint_5.0.2.42_KB4187.msp as administrator on each machine where Veeam Explorer for Microsoft SharePoint is installed.
  5. Execute VeeamExplorerForTeams_5.0.2.42_KB4187.msp as administrator on each machine where Veeam Explorer for Microsoft Teams is installed.

If there are any remote proxies in your environment, please update those as described here.

MD5: 546BD6F775F46C5E3A930B320719EE0B                                                                                                                                 
SHA-1:  E17B67AFBEA518CE686B81F75F36EFE02040CE1D
KB ID: 4187
Product: Veeam Backup for Microsoft Office 365 5.0
Published: 2021-07-12
Last Modified: 2021-09-01

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