# Windows configure error when using the command line: "The C/CXX compiler identification is unknown.."

**URL:** https://discourse.cmake.org/t/windows-configure-error-when-using-the-command-line-the-c-cxx-compiler-identification-is-unknown/4053
**Category:** Usage
**Created:** [September 8, 2021, 9:47am UTC](https://discourse.cmake.org/t/windows-configure-error-when-using-the-command-line-the-c-cxx-compiler-identification-is-unknown/4053 "2021-09-08T09:47:50Z")
**Posts on this page:** 1
**Showing post:** 8

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### Author: ![buildSystemPerson](https://discourse.cmake.org/user_avatar/discourse.cmake.org/buildsystemperson/32/2851_2.png) [@buildSystemPerson](https://discourse.cmake.org/u/buildSystemPerson)
#### Post date: [September 9, 2021, 8:20pm UTC](https://discourse.cmake.org/t/windows-configure-error-when-using-the-command-line-the-c-cxx-compiler-identification-is-unknown/4053/8 "2021-09-09T20:20:25Z")

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Hello @StevenWang we ended up finding a solution over on this [discourse](https://discourse.cmake.org/t/no-cmake-c-compiler-could-be-found-no-cmake-cxx-compiler-could-be-found/3948/17). Try temporarily minimizing your PATH variable to see if that helps as shown in that thread.

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_[View the full topic](https://discourse.cmake.org/t/windows-configure-error-when-using-the-command-line-the-c-cxx-compiler-identification-is-unknown/4053)._
