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Home > Success Center > Archive > 2017December21 - Deletes > Digital signatures are invalid

Digital signatures are invalid

Created by Mark Augustus Funcion, last modified by Jessica Solis on Dec 21, 2017

Views: 594 Votes: 0 Revisions: 4

Overview

The following error message occurs:

Digital signatures are invalid.

Mobile Admin is a third party application and will be blocked by the IT Group Policy during download or installation.

Environment

  • Mobile Admin v8.2
  • BlackBerry Enterprise Server

Cause 

This issue is caused by the IT Group Policy setting on BlackBerry Enterprise Server called Disallow Third Party Application Downloads.

Note: Depending on the BlackBerry Enterprise Server version, this IT Policy setting may also be called DisallowThirdPartyAppDownloads.

Resolution

Consult your BlackBerry Enterprise Server documentation for instructions on how to change your IT policies.

If the above does not resolve the issue:

  1. Resend the IT Policy from the BlackBerry Enterprise Server to your BlackBerry smartphone.
  2. Connect your BlackBerry smartphone to your desktop and run Intellisync.
  3. Reboot your smartphone by removing and re-attaching the battery.

 

 

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