Admin Know-IT-All Question #29

Admin Know-IT-All Question #29




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Today's Know-IT-All answer is:
d. Download the SP 4 Security Configuration Manager for NT 4.0

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Most Windows administrators know that NTFS exists in a few different versions, one for each major iteration of Windows NT: 3.51, 4, and 5 (i.e., Windows 2000) and XP. Each revision of NTFS is backward compatible — in other words, a newer version of Windows can always read older versions of NTFS, although it does not create new volumes in anything except "its" version of NTFS. Some of these differences are obvious: for instance, NTFS in NT 3.51 had a placeholder in its structures for quotas, even though they weren't implemented yet, while in 2000, they are fully implemented. Some are not so obvious, and can lead to real problems on systems where more than one version of Windows Server is accessing an NTFS volume.

If you have a machine with both Windows 2000 and NT 4.0 on it, try this experiment. Use NT 4.0 to set an ACL on a folder or file. Boot into Windows 2000 and change the ACL for that object, then boot back into NT 4.0 and see what happens when you try to change ACLs once more. Odds are you'll get an error that reads...

If this quiz has left you yearning for more information, please check the links below for related articles and tips:

>> Read Serdar Yegulalp's full article entitled: Fix a major 'gotcha'.

>> Read more NTFS related info in the article entitled Watch those NTFS cluster sizes .

Do you have an idea for an admin Know-IT-All question? Let Mr. Know-IT-All know!

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