[r.k]

Check out !!!

1. Both Windows Vista and Server 2008 must have same level of service pack i.e. SP1
   
2. It doesn't matter either you're binding Vista in Server DVD or Server in Vista DVD.
3. let we binding Vista in Server DVD
   
4. Copy licenses (Vista's) folder into sources (server's) folder
   
5. Import Vista images in Server's Install.wim
   
6. Create catlog with Windows SIM (An app installed with Windows AIK)
   
7. On the Tools menu, select Create Catalog.
8. The Open a Windows Image dialog box opens.
   
9. Select the Windows image (.wim) file and select images (example Windows Vista Ultimate etc), and then click OK.
   
10. The catalog file is created in the same directory as the .wim file that you selected.
    
11. Make the bootable DVD and try !! Have a nice day