| DZ1162930 | Microsoft Defender XDR | Users may be unable to create new custom anti-spam policies in Microsoft Defender for Office 365 |
|---|
| Status | serviceRestored |
|---|---|
| Classification | advisory |
| User Impact | Users may have been unable to create new custom anti-spam policies in Microsoft Defender for Office 365. |
| Last Updated | 10/01/2025 05:15:58 |
| Start Time | 09/29/2025 00:00:00 |
| End Time | 10/01/2025 04:45:00 |
| Latest Message | Title: Users may be unable to create new custom anti-spam policies in Microsoft Defender for Office 365
User impact: Users may have been unable to create new custom anti-spam policies in Microsoft Defender for Office 365. More info: Affected users may have received an error that stated “An error occurred when creating the policy. Please review your settings and try again.” Final status: We’ve completed the deployment of our fix and validated through service telemetry that the issue is resolved. Scope of impact: Users attempting to create new custom anti-spam policies in Microsoft Defender for Office 365 may have been impacted. Start time: Monday, September 29, 2025, at 12:00 AM UTC End time: Wednesday, October 1, 2025, at 4:45 AM UTC Root cause: A recently-deployed service update contained a code issue resulting in impact. Next steps: This is the final update for the event. |