Zimbra Admin Extensions missing with Internet Explorer

Hi

I have a really wired problem. I have a Samba domain that works with Zimbra LDAP.

The Zimbra Web UI needs 2 admin extensions for this:
zimbra_posixaccount and
zimbra_samba

The two extensions works fine with Firefox.

Now a Windows user told me that he can not add users over the Web UI to the domain. So i have tested it myself and when i connect to the Web UI with Internet Explorer the two extensions are missing :confused:

The extensions are shown in the extension list, but on the main menu they are not there. They are also missing if i try to add a new user (so i get always an error -> uid not set ...).

Tested wit Internet Explorer 8.0

Has someone the same problem? By the way how can that be?

Yogg

Nobody same problem?