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5825

May 28th, 2015 07:00

Memory Upgrade - Windows 2003 R2 SP2 Ent not start

Hello!


Server: DELL PowerEdge 2950 (2хCPU, 16Gb (8х2gb) upgraded to 32Gb (8х4Gb).

OS: Windows 2003 R2 SP2 Enterprise Edition.


Before upgrade have boot.ini:

[boot loader]
timeout=30
default=multi(0)disk(0)rdisk(0)partition(2)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(2)\WINDOWS="Windows Server 2003, Enterprise" /fastdetect /PAE /3GB /userva=2800

After upgrade memory server starts fine (in BIOS - 32gb RAM), but in Windows available only 15Gb. This right because 3GB option disables memory above 16gb. boot.ini changed to:

[boot loader]
timeout=30
default=multi(0)disk(0)rdisk(0)partition(2)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(2)\WINDOWS="Windows Server 2003, Enterprise" /fastdetect /PAE

Servers show POST messages, boot-screen of Windows and halt on start GUI (show blank black screen, no reaction on keyboard/mouse).

Some tries after get stable:
- if remove 4 DIMM (RAM: 4x4Gb) - server and Windows starts fine
- install all 8 DIMM (RAM: 8x4Gb) - server starts fine, but Windows halt on start GUI.

Please help!

PS. Sorry for bad English.

12 Elder

 • 

6.2K Posts

May 28th, 2015 11:00

Hello

It sounds like the memory is detected and functioning fine. Your issue appears to be with the operating system. If you need help modifying the Windows boot loader then you would likely get better assistance on a Microsoft Windows forum.

If you want to make sure that this is a Windows configuration issue and not a hardware problem then I would suggest booting to a Linux live distro to see if the memory is detected and functional on another operating system.

Thanks

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