Windows Server 2003 - Exchange Server 2003 - blue screens and then unable to mount Mailbox Store

First of all this server blue screened on Friday with an IRQL_NOT_LESS_OR_EQUAL error.
The server came back on after I shut it down.  The application Event Viewer reported numerous ascsi_raid.sys errors.

I came in today to troubleshoot the problem but it blue screened again with the same error and took a number of restarts to get it back up.  When it did come back on it reported 'MS DTCconsole program encountered a problem and had to close' and the Mailbox Store won't mount (the service hadn't started when I checked it but appeared to start when I did so manually).

Currently the server is bluescreening and then rebooting itself - any suggestion on how to proceed please?
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Tony GiangrecoConnect With a Mentor Commented:
Also, you might need to find your Windows Server DVD's.

Open an elevated command prompt and run this to check for corrupted system files.

sfc /scannow
Tony GiangrecoCommented:
I'd restart in safe mode, check the event viewer to get more info on actual problems found. Update find updated drivers and system bios to make sure those are up to data. Restart in regular mode and check it out.

If you are using a raid, check for errors in the raid application. Also check event view/system logs and check for DISK errors.

Take a full backup of the server.
t38Author Commented:
Thanks I'll check same and run a scan - will report back
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What's the controller and raid level?
Sounds like a disk going bad.
RAID controllers are supposed to inform you of errors ,but if it's a cheapie controller,you may not get notified.
Tony GiangrecoConnect With a Mentor Commented:
Please port the server brand and model.

if it's a Dell server, when restarting, starting with the Dell Logo appearing, you should see multiple lines scrolling showing you the System Bios version and the Raid (Perc) controller version and firmware (fw) version. Record those numbers and see if updates are available.

If your running server 2003, there should be updates available that should be applied.
t38Author Commented:
Thanks for your assistance!
Tony GiangrecoCommented:
Glad I could help
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