unable to alter contacts or calendar Outlook 2007 - "The connection to Microsoft Exchange is unavailable"

One remote user using Outlook 2007 suddenly is unable to alter contacts or calendar? It was working fine a few days ago, now it is acting up.  Her EMail is working Just Not contacts or calendar  She gets the following error message "The action cannot be completed. The connection to Microsoft Exchange is unavailable. Outlook must be online or connected"
I have tried to rename her .ost file
I have tried creating a new profile but we get the same "The connection to Microsoft Exchange is unavailable" Error
Ideas?
kregger1Asked:
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Gareth GudgerCommented:
Hey Kregger1,

I assume it reports as Connected To Exchange in the taskbar when this happens?

Could be a folder permission on the mailbox. Does this issue also occur for this user if they try in Outlook Web App?
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kregger1Author Commented:
Outlook Web, (OWA) works perfectly...
email is still working
Just calendar and contacts have no connection
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Gareth GudgerCommented:
Ok. If it works fine in Outlook Web App then we know the issue is not with her mailbox. This seems like either a PC problem or an Outlook issue.

Can you try logging her into another PC to test and create an Outlook profile there. See if the problem persists.
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kregger1Author Commented:
I used remote desktop to log-in and everything worked fine.
My user also said she cannot print any emails in Outlook without getting the following error... The action cannot be completed, the Connection to Microsoft Exchange is unavailable...
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Gareth GudgerCommented:
Ok. So everything works fine from an RDP session as that user.

Definitely a PC problem then.

Could be spyware related. Maybe even a local firewall causing problems. Or antivirus software with an Outlook plugin.

Can you try disabling all plugins in Outlook. Run an antivirus and antimalware scan. If that turns up nothing then try turning off antivirus (possibly even uninstalling it for testing purposes). And/or for testing disable any firewalls.

If that doesn't help. Try logging into her PC as a different user and see if they have any problems.

If they do.... maybe try uninstalling and reinstalling Office. If that doesn't help maybe the quickest remediation is a format/reinstall.

If they don't have the problem, then it is probably something with her Windows Profile. Save her data and create her a new profile. Then retest.
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