The Microsoft BitLocker Administration and Monitoring (MBAM) installation operation may fail. Additionally, you may receive the following error message in the MBAM setup log:
MBAMServerCAs!Microsoft.Windows.Mdop.BitlockerManagement.SetupCAs.SPNRegistrar.RegisterSPNDeferred
Attempting to register the following SPN with domain controller: 'nameofdomaincontroller:80'.
Attempting to register the following SPN with domain controller: 'FQDN of Domaincontroller:80'.
ERROR: Could not register SPN with domain server. ERROR: DsWriteAccountSpn failed with error: 8203. Make sure you have sufficient rights to modify SPN on your domain controller.
CustomAction RegisterSPNDeferred returned actual error code 1603 (note this may not be 100% accurate if translation happened inside sandbox)
Attempting to register the following SPN with domain controller: 'nameofdomaincontroller:80'.
Attempting to register the following SPN with domain controller: 'FQDN of Domaincontroller:80'.
ERROR: Could not register SPN with domain server. ERROR: DsWriteAccountSpn failed with error: 8203. Make sure you have sufficient rights to modify SPN on your domain controller.
CustomAction RegisterSPNDeferred returned actual error code 1603 (note this may not be 100% accurate if translation happened inside sandbox)