Microsoft KB Archive/103501

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Premature UPS Service Termination, Server Service Paused

Article ID: 103501

Article Last Modified on 11/1/2006


  • Microsoft Windows NT Advanced Server 3.1
  • Microsoft Windows NT Workstation 3.1
  • Microsoft Windows NT Advanced Server 3.1

This article was previously published under Q103501


A power break occurs and the UPS (uninterruptable power supply) service maintains the system for a short time. The UPS service times-out and terminates before power returns or the system can be prepared for shutdown. It also pauses the Windows NT Server service.


A power break occurs and power is restored before the battery runs out. However, the UPS service times-out and terminates, leaving the system vulnerable to the next power break (also pausing the Server service).

In both cases, the following events are logged:

   Event ID: 258
   Source:   UPS
   Type:     Error
   Error:    The description for Event ID (258) in Source (UPS) could
             not be found.

   Event ID: 3230
   Source:   UPS
   Type:     Warning
   Error:    A power failure was detected at the server.


Your UPS device does not have a low battery signal (or it was disabled) and, instead of handling this properly, the UPS service terminates prematurely. The problem is in the UPS service.


In either case, you should contact Microsoft Product Support Services for an updated UPS.EXE file. If your UPS and Server services are currently paused, restart them by choosing Services from Control Panel.


Microsoft has confirmed this to be a problem in Windows NT and Windows NT Advanced Server version 3.1. This problem was corrected in the latest U.S. Service Pack for Windows NT and Windows NT Advanced Server version 3.1. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):


Additional query words: prodnt times out

Keywords: kbhardware KB103501