LogReader errors ‘Validating publisher’ after AlwaysOn failover.

Chris Skorlinski Microsoft SQL Server Escalation Services Problem of the day: Transactional Replication was configured on a database in AlwaysOn Availability Group. When the group was failed over to synchronized secondary node Transactional Log Reader stopped working. Initial LogReader errors when failover occurs.  If configured correctly, LogReader will retry and reconnect to new Primary. 2018-02-21…