I just worked with a user having the issue, could not find the files below on the machine. From the IE cache folder, PleaseWait.js %appdata%\juniper networks\setup client\JuniperSetupDLL.dll %appdata%\juniper networks\setup client\JuniperSetupClient.exe   Ran http://support.microsoft.com/kb/923737 with Delete Personal Settings selected to resolve the issue ... View more

Yes, we will try that on the next user reporting the issue. BTY.. Running the Microsoft Fox-it has been well accepted by our users since it is quick and easy, click here.. click here.. done, VPN works again, Happy user! ... View more

We experienced this issue after upgrading to 7.3R2 primarily on machines running Windows 7 x64 with IE9. The ActiveX call to start or upgrade Juiper components would fail and the fallback to Java would also fail. Running the Microsoft Fix-it to reset IE security settings http://support.microsoft.com/kb/923737 resolved most of the issues. Checking the box "Delete personal settings" was required for 60% of the machines with the issue. Removing/upgrading Java was also required in some cases. Some of the upgrades would also fail if the Cisco IPSEC VPN client was also installed, removal of the Cisco client cleared the issue. ... View more

Host Check is a possibility on Windows/MAC/Linux but not on mobile devices. The only available possibility I can see across all platforms is by specifying supported Junos Pulse versions from the User agent string presented by the connecting client at the Realm or Role, the only problem is there is no way to present a custom message to the user explaining why their connection was denied if they did not meet the version requirement(s).   I will be submitting a feature request on this. ... View more