Unable to start SQL Server Browser service in Sql server 2005 we are unable to start the SQL browser service on one of our machine with below error:



I believe this to be the reason, why we could not connect to the instance with below error:



I tried troubleshooting as mentioned here, by changing value in registry from 1 to 0, but still no luck.

SQLservices are also running.

Please help on how to resolve this!

@Mark- screenshot after running commands provided:
Check if another process has claimed port 1434:

netstat -ano | findstr 1434


This will give you the process id of the offending process, which you can then identify:

tasklist | findstr /c:"&lt;process id&gt;"