Topic Status: Some information in this topic is preview and subject to change in future releases. Preview information describes new features or changes to existing features in Microsoft SQL Server 2016 Community Technology Preview 2 (CTP2).
Mirroring connections were broken when the transaction safety level was modified because the transaction safety settings were inconsistent on the principal and mirror databases. The default safety setting of full-transaction safety will be used. The session will run in high-safety mode.