- Veeam Support Knowledge Base
- Release notes for Veeam Backup for Microsoft 365 4a
Release notes for Veeam Backup for Microsoft 365 4a
| KB ID: | 3035 |
| Product: | Veeam Backup for Microsoft 365 |
| Version: | any |
| Published: | 2020-01-21 |
| Last Modified: | 2026-10-29 |
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Release Notes for Veeam Backup for Microsoft 365 4a.
Cause
Please confirm you are running Veeam Backup for Microsoft 365 version 2.0, 3.0 or 4.0 prior to installing the new version 4a (4.0.0.1553). You can check the product version under Help > About in the Veeam Backup for Microsoft 365 console. After upgrading, your build version will change to 4.0.0.1553.
For the existing customers running Veeam Backup for Microsoft 365 4.0 GA, the new version 4a (4.0.0.1553) delivers intelligent enhancements to the automatic product upgrade functionality. In this case, upgrading to version 4a does not require any backup proxy or repository upgrades.
For the existing customers running Veeam Backup for Microsoft 365 3.0 and 2.0, the new version 4a (4.0.0.1553) delivers all features and functionalities introduced with Veeam Backup for Microsoft 365 4.0 GA (see the What’s new in version 4 page) along with intelligent enhancements to the automatic product upgrade functionality.
NOTE: Version 4a (4.0.0.1553) is applicable to standalone installations of Veeam Backup for Microsoft 365 2.0, 3.0 and 4.0 and installations on top of Veeam Backup & Replication 9.5 Update 4 or higher and Veeam Cloud Connect 9.5 Update 4 or higher.
For the existing customers running Veeam Backup for Microsoft 365 4.0 GA, the new version 4a (4.0.0.1553) delivers intelligent enhancements to the automatic product upgrade functionality. In this case, upgrading to version 4a does not require any backup proxy or repository upgrades.
For the existing customers running Veeam Backup for Microsoft 365 3.0 and 2.0, the new version 4a (4.0.0.1553) delivers all features and functionalities introduced with Veeam Backup for Microsoft 365 4.0 GA (see the What’s new in version 4 page) along with intelligent enhancements to the automatic product upgrade functionality.
NOTE: Version 4a (4.0.0.1553) is applicable to standalone installations of Veeam Backup for Microsoft 365 2.0, 3.0 and 4.0 and installations on top of Veeam Backup & Replication 9.5 Update 4 or higher and Veeam Cloud Connect 9.5 Update 4 or higher.
More Information
Please note that Veeam Backup for Microsoft 365 4a cumulative patch KB3089 is now available and contains all the resolved issues from Veeam Backup for Microsoft 365 4a.
If this KB article did not resolve your issue or you need further assistance with Veeam software, please create a Veeam Support Case.
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