Microsoft KB Archive/825913

= UPS Service Does Not Detect When a COM Port Is Reconnected =

Article ID: 825913

Article Last Modified on 7/24/2007

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APPLIES TO


 * Microsoft Windows Server 2003, Web Edition
 * Microsoft Windows Server 2003, Standard Edition (32-bit x86)
 * Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
 * Microsoft Windows Server 2003, Enterprise x64 Edition

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SYMPTOMS
If you have a device installed on your Windows Server 2003-based computer that converts a universal serial bus (USB) connection to a COM (serial) port connection, and that device is momentarily disconnected and then reconnected, the uninterruptible power supply (UPS) service loses its connection to the port.



Hotfix Information
A supported hotfix is now available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Prerequisites
No prerequisites are required.

Restart Requirement
You must stop and then restart the Uninterruptible Power Supply service after you apply this hotfix.

Hotfix Replacement Information
This hotfix does not replace any other hotfixes.

File Information
The English version of this hotfix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel. 32-bit Windows (X86)   Date         Time   Version      Size     File name 08-Aug-2003 16:56  5.2.3790.75  105,984  Apcups.dll 64-bit Windows (IA64)   Date         Time   Version      Size     File name 08-Aug-2003 16:48  5.2.3790.75  363,520  Apcups.dll



WORKAROUND
To work around this problem, stop and then restart the UPS service. To do this, follow these steps:
 * 1) Click Start, point to All Programs, point to Administrative Tools, and then click Services.
 * 2) In the Services list, right-click Uninterruptible Power Supply, and then click Stop.
 * 3) In the Services list, right-click Uninterruptible Power Supply, and then click Start.
 * 4) On the File menu, click Exit to close the Services dialog box.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Keywords: kbhotfixserver kbqfe kbbug kbfix kbqfe kbwinserv2003presp1fix KB825913

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