Hello,
We have an ASP.NET 4.5 web application hosted in Windows Server 2012 R2 with IIS 8.5. The database was hosted on SQL Server 2008, and everything looked fine. Recently, we migrated our database from the SQL Server 2008 to another SQL Server 2014 box. We took a database backup and restore the same to SQL Server 2014. After that, we got a performance issue. The web pages become slower and slower and finally timed out. The DBA team found very high CPU utilization of the SQL Server 2014 database. But if we change the database connection string from the new SQL 2014 to the old SQL 2008 in Web.config, everything becomes normal. My question is, is there any free tool running on IIS web server to troubleshoot this performance issue? For example, to check the database connection status, etc..
Thanks,
高麻雀