When installing QNAP External RAID Manager in macOS I see the message “System Extension Blocked”. How can I resolve this issue?
Last modified date:
2019-03-14
macOS High Sierra 10.13 includes a new security feature that requires user approval before loading third-party kernel extensions (kexts). Installing QNAP External RAID Manager may be blocked with the following message:
To resolve this issue:
- After seeing the “System Extension Blocked” message, go to “Apple Menu” > “System Preferences” > “Security & Privacy” > “General”.
Tip: In macOS version 10.13.6 or later, click “Open Security Preferences” in the “System Extension Blocked” message window. - If the “Security & Privacy” settings are locked, click the lock icon
and then enter the macOS administrator password. - Click “Allow”.
- Restart macOS.
You can now install QNAP External RAID Manager.
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