Hello Brian,

thank you very much for your reply.

I think I understand the DBCC CHECK principles, at least the basics :).  So, in regard of performing full CHECKDB in separate server,...

Hi,

thanks for your replies!

@Jefrey The purpose of the secondary node (AG) is the DR, it resides in another data center and yes, it is async replication mode with manual failover. ...

Hi Super Cat,
thanks for your reply. We have already tried with  'Kerberos Configuration Manager', but it haven't found any issues.
Actually, we have discovered what was causing the trouble...