System.Security.Policy.PolicyException: Required permissions cannot be acquired. Error: System.Security.Policy.PolicyException: Required permissions cannot be acquired. Reason: The Trust level may be Mimimal. Solution: 1. Go to C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\12\config 2. Open "Web.Config" 3. Find 4. Replace by 5. Save and Exit 6. Open your Sharepoint Website web.Config. 7. Do the steps 3 & 4. 8. Save and Exit