hi i tried running the following bind versions on win 2008 r2 server 32 bit and 64 bit 9.9.9 9.10.4 i am getting error this is not a valid win32 application. also i noted that plesk (parallels) uses BIND DNS Server 9.10.3-P4 (for windows) i could not see this version on the website of bind. help required please rajesh