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NK2 file losing contents in Outlook 2007

Posted on 2014-01-29
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Last Modified: 2016-06-02
Guys,

I can't find much on the issue myself however does anyone know why a user NK2 file would lose its contents seemingly overnight? After a user reports their cache missing, I see that the NK2 file is still there named correctly, however with 0kb size. It's as if the file just resets itself. New entries can then be added as if it was a new profile, however all previous contents is lost.

This is easily fixed with a restoration from backup, however it's frustrating for users who it continues to happen to. The size of the NK2 files range anywhere from 200-500kb, so it's not like they 'over fill' due to size..

Any ideas on the cause/permanent solution? Outlook 2007 and Exchange 2010.

Thanks
Matt
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Question by:CVIT
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by:John Hurst
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A typical repair would be to go to Control Panel, Programs and Features, find Office 2007 and do a Repair on Office. Restart the computer and test.

Before doing the repair, I suggest you go to Outlook, Options, Trust Center, Privacy Options and click (set) the setting to "Download a file from Microsoft Periodically".

Try this on one machine and see if it works.

I do not know why many users would be affect because a fully updated Office 2007 works well. You have done all the Office Service Packs and updates I assume.

.... Thinkpads_User
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by:CVIT
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We use a Citrix hosted desktop solution running on Server 2008, each Citrix server has around 10 users logged in using that office installation and it's only ever the 1 user affected. This makes me think its not an issue directly with Office.

Out of curiosity, has anyone with this issue ran the Office repair and had the NK2 file re-populated with the lost data?

The Office service packs are indeed up to date.
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John Hurst earned 500 total points
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I have done an Office 2007 repair o fix other issues successfully, but I have never lost an NK2 file.

Your first post says users and the one above says 1 user.

So then also try:

1. A new Outlook Profile for the user. Back things up, delete their Outlook Profile and remake it.

2. A new Windows User Profile. The user could have corrupted user profile.  Users LOVE to click on dodgy buttons.

... Thinkpads_User
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