# Resolving Windows XP Port Conflicts

**URL:** <https://boards.straightdope.com/t/resolving-windows-xp-port-conflicts/143899>\
**Category:** Factual Questions\
**Created:** [December 19, 2002, 9:16pm UTC](https://boards.straightdope.com/t/resolving-windows-xp-port-conflicts/143899 "2002-12-19T21:16:42Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![sethdallob](https://avatars.discourse-cdn.com/v4/letter/s/e36b37/32.png) [@sethdallob](https://boards.straightdope.com/u/sethdallob)\
**Post date:** [December 19, 2002, 9:16pm UTC](https://boards.straightdope.com/t/resolving-windows-xp-port-conflicts/143899/1 "2002-12-19T21:16:42Z")

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How do I get a list of what program/device is using a given COM port in Windows XP? When I start my Bluetooth program, it says that COM4 and COM5 are being used by another program…I sure can’t figure out which ones…

I fiddled a little bit in device manager to no avail.