- Veeam Support Knowledge Base
- Backup of Microsoft Teams Fails With: Object reference not set to an instance of an object
Backup of Microsoft Teams Fails With: Object reference not set to an instance of an object
| KB ID: | 4201 |
| Product: | Veeam Backup for Microsoft 365 | 7.0 |
| Published: | 2023-04-25 |
| Last Modified: | 2023-04-25 |
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Challenge
Backup of Microsoft Teams in Veeam Backup for Microsoft 365 fails with the following error:
Error: Object reference not set to an instance of an object.Cause
This issue is related to recent changes in the response syntax of the Microsoft Graph API to a specific request that Veeam Backup for Microsoft 365 uses in order to process Microsoft Teams.
Solution
Veeam and Microsoft are working to develop a long-term solution.
In the meantime, a workaround has been implemented in Veeam Backup for Microsoft 365 7 P20230421 (7.0.0.3007) which will reduce the occurrences of the error.
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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