I have a running Win 2012R2 Active Directory server. Call it DC1
I just built a Win 2019 server that was added to the domain and promoted to AD server. This one is DC2
I ran "Move-ADDirectoryServerOperationMasterRole" to the new server and running "netdom query fsmo", I get
Schema master...
active directory
dc role transfer
domain controller
domain trusts
fsmo
netdom
network connectivity
replication
rpc error
rpcserverunavailable
server disconnection
server promotion
server roles
windows server 2012r2
windows server 2019