I found this error after running the “diagnostics”, Please help with a solution:
Found 0 UCS rejects and 1 S4 rejects. See Univention Support Database - How to deal with s4-connector rejects for more information.
S4 rejected:
S4 DN: DC=_VLMCS._TCP,DC=..,CN=MicrosoftDNS,DC=DomainDnsZones,DC=,DC=,DC=, UCS DN: not found