This means that even after successful offline activation, subscription-based versions will eventually require an internet connection to revalidate. For continuous versions, the maximum offline period is 30 days for monthly subscribers and 99 days for annual subscribers. After that window expires, the software will refuse to launch until an internet connection is restored and license validation occurs.
The resulting activation request code is a string of characters that is used to request an activation code. adobe acrobat pro dc activation offline verified
To verify this deployment: