Windows 2008R2
If you use a CNAME(alias) when attaching a printer you end up with an error saying:
Soloution:
1. Run reg add HKLM\SYSTEM\CurrentControlSet\Control\Print /v DnsOnWire /t REG_DWORD /d 1
2. Add your CNAME to your host file with correct IP.
http://support.microsoft.com/kb/2546625
http://support.microsoft.com/kb/979602