Outlook 2010 Cache Mode - Exchange 2007

Hello,
      We are running Exchange Server 2007. We have one user who when using Outlook 2010 is prompted for credentials every few minutes and there are no credentials that will appease it. If I uncheck the Cache Mode for his profile it works fine. We have over 100 users and this user is the only one that has this issue. Any help would be appreciated.

Thank you
LVL 1
daskas27Asked:
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Manpreet SIngh KhatraConnect With a Mentor Solutions Architect, Project LeadCommented:
New Machine profile or issue re-produced on a different machine is quiet on the same path as a new Machine profile would be fresh without much cache to disrupt and give a better idea of the issue

- Rancy
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peter197911Commented:
I don't think this is the correct answer, but it's an issue I saw lots of times..

Is this user using Windows 7 also??

And if yes, please check his Credential Manager (control panel) and delete all things that seem to point to Windows logins.

...
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
What is the Windows OS ? Hope no cached Credentials ?
Is the issue re-producible on a different machine ?
What if you create a new Machine profile and check ?

- Rancy
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daskas27Author Commented:
Yes, Win 7. I checked this first thing and there is nothing there.
Thank you
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daskas27Author Commented:
No cached Credentials. Cannot re-produce it.
Ceate a new Machine profile? Please explain.
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daskas27Author Commented:
I see. I will lgon as this user on a differnet machine and see if I still have issues, correct?
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
Yes Sir :)
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daskas27Author Commented:
I set up this user on a nother machine and it works fine. So I guess it is specific to his machine. I have changed his machine name and it still nags for credentials.
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
Nopes its not machine or Name .... logoff user login yourself and rename his\her current Profile and ask user to login again and create new Outlook profile and check

- Rancy
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daskas27Author Commented:
This user has many items specific to his logon. Will I have to re-ceate all of them or can I copy his, (renamed), profile?
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
You can copy everything from the Old to New once done ... but there would be many a things lost as well .... like Outlook cache or XYZ

- Rancy
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PostmasterCommented:
Look for the cache files and rename them. after restarting Outlook it will re-create the cache. It may be that the old cache file is damaged.

Also check if there is and Anti Virus client that may be holding the cache file open for checking. It should be excluded from local AV scanning.
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daskas27Author Commented:
Thank you
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