So this morning it happens, I get this message: Your account was limited for failing to upgrade your encryption protocols to Transport Layer Security (TLS) 1.2. You will not be able to move money out of your PayPal account until you make the required update. I upgraded to TLS 1.2 a number of days ago. I've tested with sandbox multiple times (and it works fully). It's 100% clear in the documentation that sandbox was already upgraded to 1.2, and that if you hadn't upgraded the sandbox would work. And there's nothing that will tell me where the problem is. (if there is one which I don't believe there is). Any MTS don't reply to questions about it, and I can't get through to a real person at MTS, only staff who have no clue about the upgrade.
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I'm in the same boat. I believe I updated fully to TLS 1.2 yesterday prior to 2pm Pacific, and it works okay at www.sandbox.paypal.com... However got a threatening email from PayPal this morning, telling me my payments will no longer be processed: "Our records show that your PayPal integration uses an older encryption protocol. You must take the following actions immediately to upgrade your PayPal integration(s) to the TLS 1.2 cryptographic protocol by June 27, 2018. " I put another sandbox transaction through the at 9:24am PST today (6/27/18), please can you confirm everything is okay your end. For the next time you upgrade your systems, I recommend providing a report to your users indicating where the problem is (a log of the transaction process).
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