#skype4b: SQL Mirror Database Failover Suspended (not synchronized state)

With SQL Database Mirroring setup in a Skype for Business Server infrastructure, the state of all databases should be uniform and not with “partial” cross over. That is to say, the status for both StateOnPrimary and StateOnMirror should either all be in the Principal or Mirror state when checked using Get-CsDatabaseMirrorState.

If that turns out otherwise, you can run Invoke-CsDatabaseFailover for the target Front-End pool to achieve this stable mirror state on both the primary and mirror SQL Database servers. Nevertheless, FailedWithError could happen where MirroringStatusOnPrimary and/or MirroringStatusOnMirror continue to show suspended and cannot reach a synchronized state.

Should a manual … Continue reading “#skype4b: SQL Mirror Database Failover Suspended (not synchronized state)”