I'm upgrading my production environment from CRM 2016 0.1 to 1.0 to arrive to D365.
I cannot upgrade the data DB. The error is:
Microsoft.Crm.CrmException: The user Id(s) [GUID Number] is invalid.
The GUID Number refers to the hidden CRM System account.
We used this SYSTEM account to move the data from a disabled user to an existent user.
Where could I look for some misconfigurations in my DB?
Graziano.
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