Can't verify Subscription

[meandmetoo]

Hi, I work all over Africa and for the most part in really remote locations without wifi, internet access or even cell signal. I will be in these situations for 3-6 months at a time. 

Is there a way I can still use LRC without having to be connected to the internet? It is impossible for me to edit my work otherwise and waiting for 6 months to edit my photos is not an option.

Is there anything that can be done besides using different software? 

[dj_paige]

According to this document, you get 30 days between subscription verification checks (which require internet connection), plus 99 days where you can still use the product offline.

[JohanElzenga]

If there is a chance that you are really without internet for up to 6 months, then I think Lightroom is not an option.

[TheDigitalDog]

Short of a satellite phone you'd use like a cell to tether and contact Adobe servers, as others have said, the best you'll get is 99 days after the last activation contact online.

[johnrellis]

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Note that if you have an annual subscription, you can use LR for 129 days without needing to connect online.  Here's what the help page says: