transfer/seize fsmo roles

powershell
Get-ADDomain
Get-ADForest

Move-ADDirectoryServerOperationMasterRole -Identity "TargetDC" RidMaster,Schemamaster

Move-ADDirectoryServerOperationMasterRole -Identity "TargetDC" 0,1,2,3,4

seize:

Move-ADDirectoryServerOperationMasterRole -Identity "TargetDC" 0,1,2,3,4 -Force

[[https://adamtheautomator.com/transfer-fsmo-roles/#Viewing_Current_FSMO_Role_Holders|quelle]]