Repost: Servers hang after adding /3gb switch to boot.ini

Discussion in 'Windows Server' started by Steve Cody, Mar 9, 2005.

  1. Steve Cody

    Steve Cody Guest

    No responses last time... Reposting.

    I support an enterprise network with 14 domains with a total of 47 domain
    controllers. The DCs are all Dell 2650's with 4gigs of RAM and Dual 3.2ghz
    processors, hyperthreaded so they appear as 4.

    All servers were loaded with Server 2003 Enterprise. (NOT the 64bit version)

    During many of the server builds, the /3GB switch was left out. We went
    through an effort to add it to all of them and found a problem. So far, out
    of the 40+ DCs, 5 of them do not boot all the way after the /3Gb switch is

    Power on server
    Server goes to boot menu
    Begins loading Server 2003, goes through the boot screens
    Gets to the point just before screen with CTRL-ALT-DEL prompt and screen
    goes blank.
    It will then sit there forever. The server cannot be pinged, lights on the
    keyboard still work.
    Finally, I hit ESC or ENTER and server reboots without even a hint of a blue
    screen. Rebooting after blue screen is disabled.

    The servers all have the same BIOS revision and were purchased in the same
    batch from Dell. I've performed hardware tests on the RAM.

    Has anyone ever had this problem???

    Steve Cody
    Steve Cody, Mar 9, 2005
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  2. Does it boot into Windows properly if you press the reset button while it's
    doing the POST?
    Can you swap hardware items (I've known RAM in a dodgy m/b slot to pass
    memtest86 yet fail with Photoshop) with a known-good machine?

    Andrew Morton, Mar 9, 2005
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  3. Steve Cody

    beb Guest

    What do the event logs say?
    beb, Mar 9, 2005
  4. Does it boot properly without the /3GB switch?
    Are those 5 maybe GC's?

    Just a thought...
    Corné Bogaarts, Mar 9, 2005
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