November 15, 2024 at 06:00PM
Microsoft has retracted its November 2024 Exchange security updates due to email delivery issues reported by admins. The update disrupted mail flow rules and data loss protection for Exchange users. Microsoft advises affected customers to uninstall the updates while investigating a permanent fix, with the rollout paused until resolved.
**Meeting Takeaways:**
1. **Security Update Withdrawal**: Microsoft has pulled its November 2024 Exchange security updates due to issues that affected email delivery.
2. **Issue Impact**: The problem primarily affects Microsoft Exchange customers utilizing transport rules (mail flow rules) and data loss protection (DLP) rules.
3. **Symptoms Reported**: Post-update, some customers experienced a complete halt in email flow and periodic stopping of mail flow rules.
4. **Recommended Action**: Microsoft advises admins facing these issues to uninstall the November security updates until a new version is re-released.
5. **Ongoing Investigation**: Microsoft is actively investigating the issue and working on a permanent fix, with plans to release it once resolved.
6. **Rollout Status**: The rollout of the November 2024 security update to Windows/Microsoft Update has been paused.
7. **For Unaffected Customers**: Customers who do not use transport or DLP rules and haven’t experienced any issues can continue to use the November security update.