“There is a problem communicating with the Microsoft Dynamics CRM server. The server might be unavailable. Try again later. If the problem persists, contact your system administrator.”
The details and log file will display the following error:
|NativeError:61b8 HResult 80040e2f Message: A duplicate value cannot be inserted into a unique index. [ Table name = MetadataSchema.EntityClientStatistics,Constraint name = PK__MetadataSchema.EntityClientStatistics__00000000000007A9 ]| at Microsoft.Crm.Application.SMWrappers.CrmSqlCeCommand.ExecuteCommandWithRetry[TResult](Func`1 body, Int32 retryCount)
2. Navigate to Settings | Solutions.
3. Delete the Plugin Profiler solution.
4. Verify you can successfully configure Dynamics CRM for Outlook.
You can download the newest version of the Plugin Profiler solution. This solutions is contained in the Microsoft Dynamics CRM Software Development Kit (SDK) for CRM Online and on-premises CRM 2015. You can access this download from the following URL:
Article ID: 3066115 - Last Review: 04 Feb 2016 - Revision: 1