Article ID: 2536401 - View products that this article applies to.
Consider the following scenario:
This issue occurs because the Net.Tcp Port Sharing Service incorrectly pins shared objects by using the garbage collector.
Hotfix informationTo resolve this issue, apply hotfix 2504602 that is described in Microsoft Knowledge Base (KB) article.
For more information, click the following article number 2504602 to view the article 2504602 in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/ 2504602/ )A hotfix rollup package is available for WCF in the .NET Framework 3.0 SP2 and in the .NET Framework 4
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.