We have an On Premise production environment which has been upgraded from CRM 3.0 to 4.0 to 2011 to 2013 and then to 2015. All updates have been applied. All is working fine in the live environment.
I have created a test environment for the upgrade to CRM 2016. The server is installed fine. I have backed up the database and restored it to the new SQL Server. On importing the organisation, it goes through the whole process but errors with "Error.Action Failed" "Microsoft.Crm.Tools.Admin.ImportActivityFeedsAction Restricted solution (Activity Feeds) cannot be updated."
I have tried everything I can find on the forums and finally tried to delete the Activity Feeds solution (showing v1.0.3.21214) from the live environment but even this fails with "Update solution error." "Default solution minor version must be 0. This value cannot be modified."
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