Hi @SDIPLA, Thank you for posting to the PayPal Merchant Community. It is possible that more advanced security measures, like VPNs, could be impacting the ability of these transactions to go through, but we will need more information to identify a root cause. Please create an MTS ticket via the following URL - https://www.paypal-support.com/, and make sure to provide as much detailed information and error details when submitting the ticket to help us solve this issue in the shortest amount of time possible.
Sincerely, John MTS PayPal
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