A script to sync logins between availability group replicas, keeping the SID so users do not orphan on failover. What to copy and what to check after.
SQL SERVER – Msg 1105 – Could Not Allocate Space for Object Name in Database ‘DB’ Because the ‘PRIMARY’ Filegroup is Full
Msg 1105 says SQL Server could not allocate space for an object because the PRIMARY filegroup is full, even with free disk. Here is how to reproduce and fix it.
SQL SERVER – AlwaysOn Availability Group Backup fn_hadr_backup_is_preferred_replica Not Working Correctly
A client’s backups to the secondary never ran because fn_hadr_backup_is_preferred_replica returned 0 on every node. Here is what I found in its code.
SQL SERVER – TCP Provider – An Operation On a Socket Could Not be Performed Because the System Lacked Sufficient Buffer Space or Because a Queue was Full
Sometimes, I am contacted by blog readers via email and trust me, I get to learn something new. One of my blog reader contacted me for below error about buffer space.
SQL SERVER – AlwaysOn Wizard Error – Checking for Compatibility of the Database File Locations on the Server Instance that Hosts Secondary Replica
The AlwaysOn wizard failed while checking database file locations on the secondary replica, though the drives were correct. Here is the workaround.
SQL SERVER – AlwaysOn Wizard Error – The Endpoints Tab Lists at Least One Endpoint that Uses Only Windows Authentication
Setting up an availability group, a client hit an AlwaysOn Wizard Error: an endpoint uses only Windows Authentication. Here is why and how we got past it.
SQL SERVER – Error – Auto Close is Enabled. Only Databases with Auto Close Disabled can be Added to an Availability Group
The AlwaysOn wizard said auto close is enabled, so the database can’t join an availability group. Here is why, and the settings to change first.