Post Upgrade Dynamics CRM Sales Error
Issue Description: Error Text: " Assembly content:(Microsoft.Dynamics.Sales.Plugins, Version=9.0.1.0) does not match the expected assembly identity." Error Cause: Dynamics CRM on premises server update has been completed but the DB version was not upgraded successfully. Issues Caused by Error: Creation of new records in all entities fails (OOTB & Custom). Error Resolution: Solution #1: Navigate to the Dynamics CRM deployment server. Open the Deployment Manager with a Deployment user account. Right click the organization and "Update". Solution #2: Navigate to the Dynamics CRM deployment server. Navigate to the following directory; "C:\Program Files\Dynamics 365\Server\bin\assembly". Backup the DLL, "Microsoft.Dynamics.Sales.Plugins" somewhere safe. Replace the DLL with the same DLL from a previous version. Run Powershell or CMD as Admin to perform IISReset.