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Recently I ran a “NETDOM JOIN” command but received “NETDOM is not recognized as an internal or external command”. Here is how I fixed the error.
This error message can occur when you run any Windows CMD command and the solutions discussed in this guide applies to all situations.
Option 1: Confirm that the Command is in the System32 Folder
Most Windows commands are located in system32 folder. If you receive command not recognized error, the first thing to do is to confirm that command is in this folder.
Here are the detailed steps:
- Type %systemroot%\system32 in the search bar. Then click the folder in the search results.
- Check if the command exists in this folder.
If the command exists in %systemroot%\system32, then the problem is an environmental variable issue. Proceed to step 2. Otherwise, some Windows files may be missing or corrupt. In that case, proceed to step 3.
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Option 2: Configure Environment Variable
Perform this task only if the program that gave “not recognized as an internal or external command” error is in system32 folder.
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Here are steps:
- Right-click Windows 10 start menu. Then select File Explorer.
- When File Explorer opens, right-click This PC and select Properties.
- At System settings, click Advanced system settings.
- When Advanced System Properties opens, click Environment Variables.
- Then, at Environment Variables settings, click Path. Then click Edit.
- Finally, confirm that %systemroot%\system32 is on the list. If it is not, click New and add it to the list.
Option 3: Run DISM and SFC Commands
Perform the task in this section if the program that gave “not recognized as an internal or external command” is not in %systemroot%\system32.
The steps will repair Windows 10..
- Type cmd into the search bar. Then click Run as administrator.
- At the User Account Control confirmation, click Yes.
- At command prompt, type this command and press enter. Wait for SFC to finish and report back…
SFC /SCANNOW
- When the SFC command completes, it may report that “Windows Resource Protection did not find any integrity violation”. Or that it found and replaced corrupt file. It may also report that it found corrupt files but could not fix the problem.
- If SFC reports that it did not find integrity violations or that it found but could not fix it, type the command below. Then press enter.
DISM.exe /Online /Cleanup-Image /Restorehealth
Wait for the command to finish then restart your computer.
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- When the command completes successfully (gets to 100%), restart your PC and check.
Conclusion
When you run a command in Windows, Windows uses environment variables to determine the location of the command. So, if the environment variable is not set, the command may return the “not recognized as an internal or external command” error.
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As I stated in the introduction of this article, this error can occur for any Windows command. In my case, it was the “NETDOM JOIN” command.
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I hope you found this guide helpful. If you did, kindly tell us what you think about the guide by responding to the “Was this page helpful?” question below.
Lastly, for more Windows fixes visit our Windows 10 Fix page.
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