WSE add pre-existing domain PCs
reg add “HKLM\SOFTWARE\Microsoft\Windows Server\ClientDeployment” /v SkipDomainJoin /t REG_DWORD /d 1
Then setup as admin when prompted for user
reg add “HKLM\SOFTWARE\Microsoft\Windows Server\ClientDeployment” /v SkipDomainJoin /t REG_DWORD /d 1
Then setup as admin when prompted for user