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Webvpn on router failed after MS12-006 update

Hi all,

after last Microsoft update MS12-006 I am unable to connect from anyconnect client to router WebVPN gateway. The VPN uses certificates for client authentication. Router is Cisco2911 - running IOS version 151-4.M1.

I approved by uninstalling the update the problem is definitely in MS update MS12-006 – see detail in - but uninstalling update is not good solution for users with automatic update turned on.

I am not able even to connect to webportal page from IE9 (Error message: Application Internet Explorer is not able to display this web page - or someting like this - I translated it to english from my native language). The only workaround I found till this day is using Firefox to start webvpn connection (I had to import user certificate to firefox storage as it is not able to use windows certificate storage).

Does anybody know better solution?


Pavel Navratil

Cisco Employee

Webvpn on router failed after MS12-006 update

Hi Pavel,

(Long time no see).

On IOS we have tracker for this:

There was some odd change on MS, I'm not sure how the guys on our side or MS side will fix this, but from what I gather there are discussions ;]


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