Outlook 2010 lost connection to http exchange

I have an Outlook 2010 user that is setup to connect to an external exchange server and it was working all last week and now it will not connect and keeps asking for the username and password. I have the correct domain\user and the password. This is an XP machine and also there is a windows 7 with Outlook 2010 that is working find with the same user account. I even deleted the profile on the windows 7 and was able to recreate it just fine. The XP machine I could not get a new profile created because it keeps asking for the username and password like I am typing it wrong but I am positive that it is correct.

Is there an  update or a hotfix for something like this. I even restored the computer to a week before all of this and still cannot connect.

I just ran msconfig and disabled everything on startup, .....
calitechAsked:
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Simon Butler (Sembee)ConsultantCommented:
The password prompt can also mean that there is an issue with the SSL certificate. If you browse to the same address as entered for the RPC Proxy component, do you get an SSL prompt?
Do you have control over the Exchange server? They might have changed something which means the authentication isn't working correctly.

Simon.
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calitechAuthor Commented:
I don't get a SSL prompt and looked it up and it is a Godaddy Cert and looks good.  I did install it just incase but no luck. NO luck after I disabled everything on startup.
I do not have control over the exchange but I am in contact with the IT admin of the server. What should I ask besides have you changed anything?
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calitechAuthor Commented:
Looked at certs to see if it was there or needed to be recreated and this is what I found. Anyway to clear it up?
cert.jpg
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Simon Butler (Sembee)ConsultantCommented:
Authentication settings would be the first thing to query, if anything has been changed. If it was working and now isn't, that doesn't happen on its own - so points to a server issue. Although also get the password expiry checked.

Simon.
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Simon Butler (Sembee)ConsultantCommented:
You shouldn't have to do anything with the certificates. If it is a GoDaddy certificate and you have the latest root certificate installation from Microsoft update then it should work fine.
Never seen the random characters in the SSL database before - that could be a sign of a problem. Are you able to test with another machine?

Simon.
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calitechAuthor Commented:
It was related to the SSL
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