How to tell which COM+ Application belongs to what dllhost.exe in Microsoft IIS
Got multiple dllhost.exe processes and need to know which COM+ app each one belongs to? Use tlist.exe from Windows Debugging Tools to map PID to application name.
Not to mention the .NET runtime, dllhost.exe also hosts COM+ processes. So how can you tell what each dllhost.exe is running? Download tlist.exe (part of the Debugging Tools for Windows). You can read more about the util here: http://msdn.microsoft.com/en-us/library/cc267860.aspx
It's just a simple task list viewer that displays info about the process. There are tons of utils out there than can do the same thing but tlist.exe is a mere 50 KB command line util which is why I like to keep it around for quickly gathering info.
The command I use to check the dllhost.exe is:
tlist -k | find /i "dllhost.exe"
and it outputs the processes, process IDs, and the related COM+ process.
Jason Samuel
Product leader, advisor, and international speaker with 27+ years in enterprise end-user computing, security, and cloud. Has deployed infrastructure at Fortune 500 scale across 34 countries. 1 of 3 people globally to hold Citrix CTP + VMware vExpert + VMware EUC Champion concurrently. 200+ articles, 1,000+ reader discussions.
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