UPS Replacement and APCUPSD for Windows

miqrogroove
2012-12-26T05:37:14+00:00

After replacing a UPS device, Windows may automatically delete the APCUPSD USB driver.  When the computer boots up, the tray icon status will say “Network Error” and three errors will be logged in the Windows Event Viewer.

To restore APCUPSD to online status, simply re-install the USB driver by following the manual installation instructions.  That information can be found in the program directory.  For example, C:\Program Files\apcupsd\driver\install.txt  In a nutshell, you need to look in the system’s Device Manager.  If there is an item in the Human Interface Devices group named “American Power Conversion USB UPS” then the desired driver is missing.  Right click that item, click “Update driver” and then pick the correct driver.

After restoring the driver, restart the APCUPSD service by using the “Start Apcupsd” shortcut in the Start menu, or by using the Services administrative tool.

The steps above should resolve the problem.

In case you are looking for the error event information, the problem described above is a possible cause of this event in the Application log:

Event Type: Error
Event Source: Apcupsd
Event Category: None
Event ID: 0
Description:
The description for Event ID ( 0 ) in Source ( Apcupsd ) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer. You may be able to use the /AUXSOURCE= flag to retrieve this description; see Help and Support for details. The following information is part of the event:

apcupsd FATAL ERROR in ../drivers/usb/generic/generic-usb.c at line 674
Cannot find UPS device —

A similar message appears in the Apcupsd Events list.  That error is followed by a shutdown message, and then this event in the System log:

Event Type: Error
Event Source: Service Control Manager
Event Category: None
Event ID: 7034
Description:
The Apcupsd UPS Monitor service terminated unexpectedly. It has done this 1 time(s).

Watch out for this problem so that you can minimize service down time when changing devices.

26 Dec 2012

Category:
Systems Engineering

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