I had already looked at those, but overlooked that ConfigureTestServices runs after ConfigureServices, meaning that by that time, the config value has already been fetched and used.The alternative I used was one of the alternatives that Mark mentioned; the in memory collection;...
Broken delegated domain errors in DCDIAG /test:DNS for all DCs in domain and DCs of all trusting domains Broken replication after DC demotion Building Organisation Hierarchy with Active Directory BuiltIn Administrators groups in Domain Controller feature? Bulk change of the fomat of users phone number...