Microsoft KB Archive/110926

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WOW Doesn't Support More Than Four Serial Ports

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Q110926

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The information in this article applies to:


 * Microsoft Windows NT Server version 3.1
 * Microsoft Windows NT Workstation version 3.1
 * Microsoft Windows NT Advanced Server, version 3.1

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SYMPTOMS
In the Windows (16-bit) on WIN32 (WOW) application environment, you cannot replace the installed COM driver (which supports only COM ports COM1 through COM4) with one that supports more COM ports. This is possible in Windows 3.1, so it seems it should also be possible with WOW, but it is not possible at this time.

STATUS
Microsoft has confirmed this to be a problem in Windows NT and Windows NT Advanced Server version 3.1. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

Additional query words: prodnt

Keywords : kbother

Issue type :

Technology : kbWinNTsearch kbWinNTWsearch kbWinNTW310 kbWinNTSsearch kbWinNTS310 kbWinNTAdvSerSearch kbWinNTAdvServ310 kbWinNTS310xsearch kbWinNT310xSearch kbWinNTW310Search