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ruphoff

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Reply with quote  #1 
Hi,

I use EFS encryption for a long time, but now I don't understand what happens.

I can encrypt and decrypt any folder on the system, except when on a small 105MB partition. The partition has the same standard user rights any other partition has.

An attempt to encrypt a folder, pops up UAC asking for administrator right. this should not happen, and even when I enter the admins pin, I still get "Access denied". But the ask for admin rights already is the error.

I can move the folder to be encrypted, to another partition, encrypt it there, move it back to the problem partition and now I can use my encrypted files there.

But I can't encrypt or decrypt any file or folder on that partition directly.

What can be the problem?

Grtx,
Ruud
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Infradeploy

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Reply with quote  #2 
I'm stumped really.
NTFS rights are really exactly the same? I'm not sure, but I think you need to have the right to write extended attributes.

GPO limits maybe? I can't think which ones to look for. 'gpresult /z' to have a list

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ruphoff

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Reply with quote  #3 
I found the cause of this strange behavior, installing a fresh copy of Windows 10, then step by step install software an check where it went wrong. YES, FOUND. But it tokes a long day..

The problem was caused by the CBT component of Macrium Reflect Backup software. And even more strange, removing that component or removing Macrium completely, did not solve the problem. The partitions must be created before CBT was active on the system.

In the mean time, Paramount Software has confirmed they could reproduce is. There wil be an update soon.
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jsclmedave

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Reply with quote  #4 
Quote:
Originally Posted by ruphoff
I found the cause of this strange behavior, installing a fresh copy of Windows 10, then step by step install software an check where it went wrong. YES, FOUND. But it tokes a long day..

The problem was caused by the CBT component of Macrium Reflect Backup software. And even more strange, removing that component or removing Macrium completely, did not solve the problem. The partitions must be created before CBT was active on the system.

In the mean time, Paramount Software has confirmed they could reproduce is. There wil be an update soon.


If your curious you could get a REG dump prior and after installing that and see what they are changing or adding in the Registry using something like WinMerge to compare.



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Tim Bolton @jsclmedave
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