Request for the permission of type 'System.Data.SqlClient.SqlClientPermission failed

Posted by Richmond on Stack Overflow See other posts from Stack Overflow or by Richmond
Published on 2010-11-04T11:47:56Z Indexed on 2011/01/10 19:53 UTC
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ASP.NET

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sql-server

Hi All!

I have asp.net application, using LINQ to connecto to SQL Server 2008 R2 databse.

My connection string: Data Source=[SqlServerIp];Initial Catalog=[databaseName]User Id=newLogin;Password=newPassword;

When I deploy application on my local IIS (which is not the same machine as database server) it works fine, but when I deploy application on other IIS (the same machine as sqlServer) it throws an exception:

System.Security.SecurityException: Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.

Anyone knows how to fix it? Maybe it is due to some bad configuration of IIS? Please help.

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