CISCO pac with IE 9

[hkvt012345]

Hi everyone,

have you come across an issue with CISCO ironport hosting PAC file for failover with IE 9? I try that when one appliance, ti take very slow to route to second one. However chrome..didnt have that issue...                  

[Julio Coral Orbes]

Hi Vince

Yes, i had that issue using pac files and IE9.

i opened a case with Microsoft Tech support, and after 2 months, they said that there is an IE9 bug, and will be considered on new patch releases. (it was 6 months ago, and i think is not a patch available yet...)

The Microsoft solution was use IE8 (failover works as expected)...and don't upgrade to IE9...

i didn't test it on IE10, i think the issue is the same as IE9, but you should test it with all the patches up to date.