I have several C# programs utilizing LINQ to SQL classes. If I put the exe files on a network drive and execute them from there, I get the ‘error 26
There are a no. of ways to solve this error. However. if you are using a 64 bit (new Windows 7 system, using SQL BI Development Studio)you must add your aliases under SQL Native Client 10.0 Configuration (32 bit). Check this link too.It may help : http://sqlerrormessages.blogspot.in/2009/12/specified-sql-server-not-found-or-error.html