Server did not restart after powerfailure

I have a UPS SMART UPS 2200 with 8-Port Share-UPS Interface Expander.

I had a power failure over 1 hour and the servers did shutdown based on the UPS power down feature.

However upon power restore the only server that restarted was the one attached to the advance port on the expander. I had to manually restart the other server.

Does any one know why this would have happened?

The one that restarted was a win2k with powerchute+ installed. other server SBS2003 using the windows power settings.
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QBRadConnect With a Mentor Commented:
Check the BIOS settings on the one that didn't restart.  There is a setting that tells it what to do when power is restored.  Usually this is defaulted to stay off.  You will have to change it to power on.
This one worked for me:

1. Click Start, click Run, and then type gpedit.msc.
2. Under Local Computer Policy, expand Computer Configuration,
3. expand Administrative Templates
4. expand System.
5. Double-click Do not turn off system power after a Windows system shutdown has occurred.
6. Click the Setting tab, click Enabled, and then click OK.
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