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Asked: 2026-05-20T16:10:07+00:00

OK, total noob question here. I’m toying around with Silverlight, and need to connect

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OK, total noob question here. I’m toying around with Silverlight, and need to connect to a database. When I connect in server explorer (VS 2010) it works fine, because it’s using my windows account to authenticate. However, when I start debugging the server side stuff is running on a different account (NT-SERVICE or something to that effect) which has no privileges on the SQL server. I’ve tried embedding my username/password like this:

connectionString="Data Source=.;Initial Catalog={DATABASE};Integrated Security=True;User={DOMAIN}\{USERNAME};Password={redacted}"

but it doesn’t seem to be working. I keep getting an error:

The server did not provide a meaningful reply; this might be caused by a contract mismatch, a premature session shutdown or an internal server error.

Thanks for helping,

Eric

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  1. Editorial Team

    Turned out I wasn’t adding DataContracts to my Linq-to-Sql classes. From the linq-to-sql designer, set serialization to Unidirectional. Turns out it was completely unrelated to connection strings. Sigh…

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