Minimizing the performance hit from using ABE

Written by on Saturday, March 1, 2008 2:22 - 0 Comments

How to minimize the performance hit from using ABE.

If you plan on using Access-Based Enumeration (ABE) on your Windows Server 2003 R2 file servers, you need to be aware of its impact on performance. Because ABE hides the ability for users to see files and folders within a network share unless they have permissions that grant them access to a file or folder, this means ABE has to evaluate the permissions on subfolders under the current folder whenever you want to access a file within a subfolder. (Without ABE, only the permissions on the current folder need to be evaluated.) This means that you can minimize the performance impact of ABE by not nesting folders too deeply on your file servers or by avoiding using ABE altogether on deeply-nested portions of your file structure on network file servers.

For more information about using ABE, see my article titled Implementing Access-Based Enumeration in Windows Server 2003 R2 here on

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