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I have a client who has an ASA 5520 with IOS version 8.3, she has a VPN with Microsoft Azure that is important for the operation of the company. She upgraded IOS versions but the VPN began to fail and drop out. She reverted the IOS version back to 8....
I have a client that upgraded her asa 5520 from 8.3 to 8.6 i believe and began experiencing problems with VPN azure connection, the tunnel began to drop out... when she reverted back to 8.3 everything continued to work fine. I have been looking aroun...