Contains notes and lessons in working technology, especially .NET, Azure, DevOps, Agile, and Team Foundation Server.

Wednesday, June 6, 2012

Runas /netonly

I discovered the runas /netonly gem today and it is wonderful! Yes, wonderful!

The runas command allows you to run a program on a machine as a different user than what you are logged in as. This is great when you are doing same domain activities, but what about crossing domains? This is the issue the /netonly switch solves. If you include this switch, it will run the program as your logged in user, but any network calls will be sent as if they came from the user you specified! Thus, if I execute something like:

runas /netonly /user:AnotherDomain\AnotherUser devenv

This runs Visual Studio as my user, but any network calls (TFS, Database, etc.) will use AnotherDomain\AnotherUser. A SQL server with Windows Authentication only can now be connected to via this command on your machine not on the same domain as the SQL server. You can run code locally in Visual Studio and debug, connecting via Windows Authentication to a server on a different domain.

Yes, this is wonderful!

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