How to Fix Intune Win32 App Error 0x87D30006

I recently encountered this issue when deploying a GPL Ghostscript through the Microsoft Intune Win32 application. The Intune Win32 app installation failed on Windows 10 and 11 devices with the below error.

Error code: 0x87D30006

Error description: Invalid detection rule or unable to parse detection rule.

0x87D30006 Error description: Invalid detection rule or unable to parse detection rule.


Cause & Solution

The issue was due to Intune Win32 app detection rule misconfiguration. The registry-based detection rule was used for the application. However, the registry key was within square brackets. Hence, the Intune detection rule was not parsed on the client side and Intune could not proceed with application installation.

Intune detection rule error 0x87D30006

Registry key used: [HKEY_LOCAL_Machine\SOFTWARE]MICROSOFT\Windows\CurrentVersion\Uninstall\GPL Ghostscript 9.21]

Correct registry key: HKEY_LOCAL_Machine\SOFTWARE]MICROSOFT\Windows\CurrentVersion\Uninstall\GPL Ghostscript 9.21

The application was installed as soon as I removed the square bracket from the registry path and updated the policy on the device.

You might have seen another Win32 app installation error The application was not detected after installation completed successfully (0x87d1041c). This error happens when the Win32 app detection rule is incorrect. Intune can install the application however, it could not detect the same post-installation. While error 0x87D30006 represents the issue with the detection rule which Intune cannot parse. So, the application installation does not happen in this case.

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