# xctu serial configuration

**URL:** <https://forums.digi.com/t/xctu-serial-configuration/23187>\
**Category:** XBee - Zigbee\
**Tags:** serial-console, xctu\
**Created:** [August 8, 2022, 1:21pm UTC](https://forums.digi.com/t/xctu-serial-configuration/23187 "2022-08-08T13:21:38Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![sportzcast](https://avatars.discourse-cdn.com/v4/letter/s/c4cdca/32.png) [@sportzcast](https://forums.digi.com/u/sportzcast)\
**Post date:** [August 8, 2022, 1:21pm UTC](https://forums.digi.com/t/xctu-serial-configuration/23187/1 "2022-08-08T13:21:38Z")

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serial configuration is greyed out in xCTU

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**Author:** ![mvut](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.digi.com/mvut/32/31_2.png) [@mvut](https://forums.digi.com/u/mvut)\
**Post date:** [August 8, 2022, 1:29pm UTC](https://forums.digi.com/t/xctu-serial-configuration/23187/2 "2022-08-08T13:29:19Z")

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That would mean that XCTU is not able to discover any COM ports on your PC.