September 2003
Intermediate to advanced
624 pages
15h 49m
English
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15.17. Finding the Quota Usage for a Security Principal
Tip
This recipe requires a Windows Server 2003 domain controller.
Problem
You want to find the quota usage for a certain security principal.
Solution
The quota usage of a security principal can be determined a few
different ways. First, you can use the dsget
command. Here is an example:
> dsget user "<UserDN>" -part <PartitionDN> -qlimit -qused
This displays the effective quota limit and how much quota has been
used for a particular user. You can use similar parameters with
dsget
computer and
dsget
group to find the quota
usage for those types of objects.
Users can find their own quota usage by querying the
msDs-QuotaUsed and
msDs-QuotaEffective attributes on the
cn=NTDS Quotas container for a partition. These
two attributes are constructed, which means they are dynamically
calculated based on the user that is accessing them (see Recipe 10.15 for more on constructed attributes). The
msDs-QuotaUsed attribute returns how much of the
quota has been used by the user and the
msDs-QuotaEffective attribute contains the quota
limit.
Alternatively, view the msDs-TopQuotaUsage
attribute on a partition’s
cn=NTDS
Quotas container, which
contains the user’s with the top quota usage. This
attribute is multi-valued, with each value being XML-like text that
contains the SID and how much of the quota the principal has used.
See the Discussion section for an example.
Discussion
If you implement quotas, you’ll certainly need to tell users what their quotas ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.