SQLServer

SQL Server

Check on SQL server activity using:

• ctrl + alt + A

SQL Server Networking

Check status of the SQL server networkconfiguration with the SQLCheck app:

SQLCheck DL

Also see the other tools:

SQL Networking tools wiki

SQL Server Authentication troubleshooting

If having issues with kerborous authentication you can use this tool to check spn + other possible issues:

Microsoft® Kerberos Configuration Manager for SQL Server®

SQL Server Service Accounts

See useful info here MS Learn