As described in
KB43813, depending on the deployment scenario the resolution steps vary, this article is created for the following use-case.
After upgrading to Pulse Mobile for iOS 7.0.0, end users on un-managed iOS devices (i.e. No MDM/EMM type product used to manage VPN settings and the client certificate manually installed by end-users
) are unable to connect to Pulse VPN gateway device and the following error message will appear:
Missing or Invalid Certificate