CAS Authentication Wanted

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Hello,

We have a Debian server with GLPI installed (servidesk.my.dom). It was working fine until this morning.
We have migrated our mail from an external provider to Exchange, so we wanted GLPI to send notification thru the new Exchange server (mail.my.dom).

I don't know who has done what, but now when we try to log into GLPI we have an error saying:

CAS Authentication Wanted!

You should already been redirected to the CAS Server. Click here (it's a link to [URL unfurl="true"]https://mail.my.dom:25/login?service=https://servidesk.my.dom/glpi/login.php)[/URL] to continue.

phpCAS 0.5.1-1 using server [URL unfurl="true"]https://mail.my.dom:25/[/URL] (CAS2.0)
[code]

Do you know what has changed, and how I can solve this?

Thanks.

 

[MoreFeo]

I've solved it.

I've erased cas_host and cas_port in glpi_config table, inside the glpi database.

Thanks.