Unable to license Acrobat on an offline machine

1. Acrobat does not launch if an offline uninstall and reinstall is performed using same Serial Number. [3943212]
2. [Intermittent]: Not able to Sign-In in Acrobat due to which Acrobat fails to get launched.[3956621]

Scenario 1.

1. Install Acrobat with a Serial Key
2. Acrobat is launched and used without any problems
3. Uninstall of Acrobat is performed while staying offline
4. Install Acrobat again with the same serial in offline state
5. Launch Acrobat and a user sees the Sign in required screen.
   User chooses to Sign-In Later but Acrobat does not launch.

Workaround

Bring the machine online. On the Sign-In screen choose to sign in now. Acrobat will launch successfully.

Scenario 2.

1. Install Acrobat in serialized mode.
2. Launch Acrobat and Click on Sign In button on AAM Sign In screen.

Result: AAM screen shows 'No Internet Connection' error.

Workaround

In Internet Explorer, go to Tools> Internet Options> Advanced> Under 'Security' section, check the options TLS1.0, TLS 1.1, TLS 1.2