Setting up a cloud witness for a client failed with: An existing connection was forcibly closed by the remote host. Test-NetConnection pointed to the real cause.
SQL SERVER – FIX: Database Diagram Error 15517 – Cannot Execute as the Database Principal Because the Principal ‘dbo’ Does Not Exist
Opening a database diagram failed with error 15517: Cannot execute as the database principal because the principal ‘dbo’ does not exist. Let me show you the fix.
SQL SERVER – SQL Service Not Getting Started Automatically After Server Reboot While Using gMSA Account
My first gMSA test: SQL Service was not started automatically after server reboot, even with automatic startup set. Here is what the event log showed.
SQL SERVER – Error: 18456, State 149 – Login-based Server Access Validation Failed With an Infrastructure Error. Login Lacks Connect Endpoint Permission
Connecting to the DAC with SQLCMD, I got Error 18456, State 149: Login lacks connect endpoint permission. Here is what the ERRORLOG showed and how to fix it.
Fix Error 3637: Backup Fails on a DAC Connection
To fix error 3637, find out why your backup runs on a dedicated administrator connection. This post reproduces the message with sqlcmd and its -A switch, shows the same backup working on a normal connection, and lists where a DAC hides in scripts and scheduled tasks.
SQL SERVER – Upgrade Error – Cannot Drop the Assembly ‘ISSERVER’, Because it Does not Exist or You Do Not Have Permission
A reader asked how to fix Cannot drop the assembly ‘ISSERVER’ without another SQL Server to generate the script from. Here is a second way to fix this upgrade error.
SQL SERVER – New Parallel Operation Cannot be Started Due to Too Many Parallel Operations Executing at this Time
A client’s ERRORLOG said: New parallel operation cannot be started due to too many parallel operations executing at this time. Here is what I found behind it.