I can think of 2 separate issues and causes. First is related to the Web Service recycling and the time needed for restarting and reloading its components\assemblies. The second could be a question of response time for a report (the first time it is executed...

A couple of days ago I delivered a presentation on troubleshooting Kerberos configuration issues, especially from the SQL Server's perspective. Part of this presentation I demonstrated the use of Brian Murphy-Booth's ( http://blogs.iis.net/brian-murphy...