Error When trying to access listdata.svc: Could not load type ‘System.Data.Services.Providers.IDataServiceUpdateProvider’ from assembly ‘System.Data.Services, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089’.

When trying to access: http://sharepoint.com/_vti_bin/listdata.svc , Received this Error message:

Error: 

Could not load type ‘System.Data.Services.Providers.IDataServiceUpdateProvider’ from assembly ‘System.Data.Services, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089’.

Error When trying to access listdata.svc

Fix:

Install the ADO.NET Data Services Update for .NET Framework 3.5 SP1 – KB976127
http://www.microsoft.com/en-us/download/details.aspx?displaylang=en&id=2343

ADO.NET Data Services Update for .NET Framework 3.5 SP1 - KB976127

Salaudeen Rajack

Information Technology Professional with Two decades of SharePoint Experience.

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