This technical solution is not connected to the SCCM 2007 which is my focus technologies but anyway I want to share it here. I have following customer environment:
Everything was OK until users from domain B told me that they want to login to Windows 7 computers (joined to domain A) without typing domainB\username. I didn’t have solution off the top of my head and I made quick Technet search which gave me this article http://support.microsoft.com/kb/555050. Unfortunately this solution didn’t work as is on Windows 7 OS. First rational idea was to use domain GPO to set DefaultLogonDomain parameter but we use only one domain GPO for Windows 7 computers and create new one for users from domain B wasn’t fancy option.
Solution was come from an idea to trace registry settings after I applied local GPO with DefaultLogonDomain parameter and as result I put this REG file as a task to deployment SCCM task sequence.
Windows Registry Editor Version 5.00