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When the installer for the 3.1 client launched, they were presented with an error that told them their operating system was not supported, then the install failed. In short, they couldn’t connect to VPN because the profile settings on our ASA are configured to force the installation of the current edition of the An圜onnect client on the ASA in order to access VPN. So unfortunately, this locked out several of our customers that were still running Mac OS X 10.5 Leopard on their Intel Macs. We now gained the ability to support 10.8 Mountain Lion operating systems, but 10.5 Leopard support was dropped.


However, we found out that there were some caveats with updating to the An圜onnect 3.1 release. They were prompted to update their An圜onnect client to the new version, which we had set up on the ASA to force client updates, and now they were able to access VPN without any issues. In order to fix this specific problem we updated all of the An圜onnect client versions on our ASA to the latest 3.1 releases for Windows, Linux, and Mac, then had our Mac users running 10.8 Mountain Lion log back into the VPN web portal. The root cause was that they were running the latest Mac OS X version, 10.8 Mountain Lion, A recent issue came up with some of our customers that use Mac computers who were having issues trying to connect to our VPN using the Cisco An圜onnect client v3.0.
