Windows 7 clients may not be able to print to Windows Server 2003 print server

Microsoft has announced a compatibility problem between Window 7 PC and Windows Server 2003. As per KBA2269469, print job fails when print is fired from a Window 7 PC to a network printer connected to Windows Server 2003.

The print job fails with the following error message:

Event ID: 372
Level: Error
Description:
The document , owned by , failed to print on printer . Try to print the
document again, or restart the print spooler.
Data type: . Size of the spool file in bytes: . Number of bytes
printed: 0. Total number of pages in the document: 1. Number of pages printed: 0.
Client computer: . Win32 error code returned by the print processor: 1722.
The RPC server is unavailable.

The file needed to be included in the windows 7 client's registry.

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Printers]
"EnabledProtocols"=dword:00000006