CUCM 51.(3) and Internet Explorer Issue

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Jan 3rd, 2008
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I have a new install of 5.1(3) on a single server. I have been doing all the configuration from a Firefox window, so I do not know how long the issue I am about to described has existed. Anytime I try to log into the Call Manager administration web page using IE, I get a "Login Failed, Please Try Again" error. But I can turn around and log in through a Firefox browser with absolutely no problems. I ensured that there were no LAN settings in IE and I have cleared everything possible.

Any thoughts?

Thanks in advance.

Nathan Richie

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gogasca Thu, 01/03/2008 - 22:59
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IE in all PCs or only 1 PC?

which version of IE?

If you try first the IP only then click on the Admin link same problem?

CCM user same issue?

Other web pages which requires https authentication? smae problem

All content options have been cleared right?

Mark Pareja Thu, 01/03/2008 - 23:09
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UCM 5.x Administration Application is now heavily dependent on Java where as previous versions have been more dependent on ASP/ActiveX. I have had customers expirence your symptoms when their Security Settings in IE are preventing java applets from properly interacting with the browser. Here are some things to check/try.

- IE 6.0 or higher

- IE Options Use a standard security level (Medium - High) custom one may be your faulter.

- Try updating IE via

Hope this helps

nrichie Fri, 01/04/2008 - 10:23
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Chalk this one up as a PICNIC error (problem in chair, not in computer)! Firefox had saved the password and I was using the incorrect password when trying to login from IE. I apologize for the wasted post.


Nathan Richie


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