Fixing the “Installer.app is Damaged and Can’t Be Opened” Error When Installing vCenter from macOS

If you’ve tried installing vCenter from macOS and encountered the error:

“Installer.app” is damaged and can’t be opened.

This issue typically arises due to macOS security settings that prevent certain applications from running, even though they are safe. Fortunately, this problem can be easily resolved with a few simple commands in Terminal.

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Step-by-Step Solution:

  1. Disable macOS Gatekeeper
    First, you need to temporarily disable macOS’s Gatekeeper, which restricts the apps you can install. Open Terminal and run the following command:
   sudo spctl --master-disable

This command disables Gatekeeper, allowing apps from unidentified developers to run.

  1. Remove Quarantine Attribute
    MacOS may still flag the vCenter installer as a quarantined file. To remove this restriction, run the following command, replacing <vcenter folder path> with the actual path to your vCenter folder:
   sudo xattr -rd com.apple.quarantine <vcenter folder path>
  1. Handling the “ISO Path Not Found” Error
    After successfully running the above commands, you may encounter the following error when attempting to proceed with the installation:
   ISO Path Not Found

To resolve this, click on the Browse button in the installer and manually select the correct vCenter folder that contains the ISO file.

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Important Notes:

  • After completing the installation, it’s a good practice to re-enable macOS Gatekeeper to maintain your system’s security. You can do this by running the following command:
   sudo spctl --master-enable

By following these steps, you should be able to fix both the “Installer.app is damaged” and “ISO Path Not Found” errors, allowing you to install vCenter on macOS without further issues.

Fixing the “Installer.app is Damaged and Can’t Be Opened” Error When Installing vCenter from macOS

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