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Sunday, August 19, 2012

WCF Base Address error on Windows Vista

I am sure its not only me but many of you have encountered an unusual error when you first started an instance of a WCF Host application through Visual Studio on Windows Vista, the error will look something like this below

{"HTTP could not register URL http://+:49779/WcfServiceLibraryNorthwind/NorthwindService/. Your process does not have access rights to this namespace (see for details)."}

Since vista's security is not exactly like old windows, so the owner of an HTTP namespace (in this case the administrator) will have to delegate that ownership to another user, so the command would be something like this below

"netsh http add urlacl url=http://+:portNumber/ user=MYMACHINE\UserName"

i.e as below in my case
netsh http add urlacl url=http://+: 49779/ user=KAUSHIK-PC\Kaushik

*On success, you will get a message like below
URL reservation successfully added

** please open the command shell "As Administrator", otherwise you will get an error as below 

Url reservation add failed, Error: 5

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