Upgrade from CRM 2011 to 2013 fails with âSubquery returned more than 1 value. Not Permitted CRM 4.0″
We recently stumbled upon an issue when upgrading a customer from CRM 4.0 to CRM 2013. As is required, you must first upgrade the 4.0 database to 2011 and then from 2011 to 2013. The 4.0 to 2011 upgrade succeeded without error but threw an error when going from 2011 to 2013. 2013 was on […]