Sorry, PostgreSQL version 9.3.10. Kind regards, Vladimir Pavlov From: pgsql-admin-owner@xxxxxxxxxxxxxx [mailto:pgsql-admin-owner@xxxxxxxxxxxxxx] On Behalf Of Pavlov, Vladimir Hello, The server logs contain errors: MultiXact member wraparound protections are disabled because oldest checkpointed MultiXact 1085772411 does not exist on disk How to enable MultiXact member wraparound protection? Kind regards, Vladimir Pavlov |