TL;DR — Resumo Rápido
Solução para: The service principal name for the VMRC server could not be registered. Automatic authentication will always use NTLM authentication. Error 0x8...
Nota: Este artigo foi publicado originalmente em 2006. Alguns passos, comandos ou versões de software podem ter mudado. Consulte a documentação atual de General para as informações mais recentes.
One way to solve it is available at:
https://support.microsoft.com/default.aspx?scid=kb;en-us;890893
pretty much the cause of the problems is that:
This issue occurs because the Network Service account that Virtual Server uses does not have permission to write the SPNs to Active Directory. Therefore, the SPN for vssrvc/Computer_Name and vssrvc/Fully_Qualified_Domain_Name are not registered in Active Directory.