Distributed Services Support Team

Problem Description You have a COM+ server application. The application is set to run as a particular user. After working for sometime on Windows Server 2008 the application may stop working and keep failing. Unless you restart the COM+ application, it Read More...

Problem Description The component is a COM+ event class. It is also a COM+ QueuedComponent (QC) and has object pooling enabled. The clients are a COM+ event publisher. They call into the event component to fire an event. Subscribers are notified of the Read More...

Problem Description Intermittently a COM+ application that called the DOMDocumentWrapper::load method in msxml3 is hung. A restart of the application was required to temporarily solve the problem on a Windows 2000 SP4 machine. Cause To identify the cause Read More...

Problem Description We saw slow Web response and high CPU in a 3-tier application under load. The application consisted of an IIS Web application front end, COM+ applications on the app server and the DB application on the backend. Cause To identify the Read More...

Problem Description An application calls CreateObject to activate a COM+ component or a DCOM server component which runs on a remote machine. The call to the CreateObject may fail with the error 80070721 which translates to "A security package specific Read More...

Welcome everyone to the official blog of the Distributed Services support team at Microsoft. We are a part of Developer Support and currently provide support for the following technologies: COM/DCOM COM+ DTC Windows Communication Foundation (WCF) Workflow Read More...