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Windows Desktop Search and Encrypted Files

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Subject Author Date
Windows Desktop Search and Encrypted Files Zian 05-14-2007
Posted by davodavo on September 13, 2007, 10:22 am
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"Lucvdv" wrote:

> wrote:
>
> > How can I get Windows Desktop Search to index my encrypted folders?
> >
> > Right now, WDS doesn't return any results from my encrypted files. The files
> > are encrypted using Windows XP's EFS.
>
> The indexer is a service and runs under the local system account, which
> means that it can't unencrypt those files. It doesn't have the key.
>
> That's the point of using encryption. Indexing them would mean that parts
> of those files end up in the (unencrypted) index, which would mean a
> security risk.
>
>
> There may be a workaround, if you don't mind a little less security. I
> haven't tried if it works, but if the service is running under your user
> account instead of local system, it should be able to index those files.
>
> The account that the service runs under can be changed through the services
> control panel.
> You can specify only one account, so there's still the limitation that it
> can only get to encrypted files belonging to one user account.
>

Posted by davodavo on September 13, 2007, 10:26 am
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"Lucvdv" wrote:

> wrote:
>
> > How can I get Windows Desktop Search to index my encrypted folders?
> >
> > Right now, WDS doesn't return any results from my encrypted files. The files
> > are encrypted using Windows XP's EFS.
>
> The indexer is a service and runs under the local system account, which
> means that it can't unencrypt those files. It doesn't have the key.
>
> That's the point of using encryption. Indexing them would mean that parts
> of those files end up in the (unencrypted) index, which would mean a
> security risk.
>
>
> There may be a workaround, if you don't mind a little less security. I
> haven't tried if it works, but if the service is running under your user
> account instead of local system, it should be able to index those files.
>
> The account that the service runs under can be changed through the services
> control panel.
> You can specify only one account, so there's still the limitation that it
> can only get to encrypted files belonging to one user account.
>

I tried this strategy, using either my own account or the system
administrator's account (both of which have EFS key access). The indexer
service couldn't start, even though the process does get loaded and attempts
to run....

I even tried rebooting and the service just freezes halfway through the
restart sequence. Perhaps there's some sort of issue with Terminal Services,
on which the indexer service depends.

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