Asp.net Web Service Timing Out (0x80004005)

Recently if your webservices started failing / timing out it its worth your time to take a look at this support article.

“HttpException (0x80004005): Request timed out.”

“System.InvalidOperationException: There were not enough free threads in the ThreadPool object to complete the operation”

 Contention, poor performance, and deadlocks when you make Web service requests from ASP.NET applications

http://support.microsoft.com/kb/821268

Related Reading :

Item 5 talks about Asp.Net WS

http://blogs.msdn.com/lucascan/archive/2008/01/06/lucascan-s-top-5-tips-for-a-healthy-asp-net-application.aspx