Exchange 2007 Outlook Client "Security Alert"

I have recently added a new exchange server in our domain for SCR. I have noticed that when we log into outlook we get a Security Alert from the new SCR Target. (which is passive).

So the new SCR target has a root cert that comes by default on exchange. It is not trusted because IIS has not been touched on the passive server.

My Questions:

1 - why is this happening? I understand getting the SecAlrt but not from the passive server. It would at least come with the active server.
2 - Our Valid Cert is working properly. I just searched the past 24hrs and there is no log stating any issues with Cert validity.

It gives me an option to Install Certificate.

Any help suggestions would be most appreciates.

Thanks - SJMP
Who is Participating?
SGrossmannConnect With a Mentor Commented:
When you configure the SCR you should make sure that in case of an failover everything works without any problems for the users, therfore you should install a valid ssl certificate to this server. If you're running and internal CA within you Windows Environment it should not be a problem to publish this certificate.I'm not sure why your outlook clients connect to this server could you check you autodiscover settings if the new system is added as possible cas-server.
sparkisAuthor Commented:
Can I disable this feature CAS on the SCR target without causing any problems?
I dont want to install the SSL cert while this is still a passive server.
sparkisAuthor Commented:
need to ask a new question and it wont allow me. so I am closing this
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