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This article discusses the limitations of using mount points on a volume that uses shadow copies in Windows Server 2003.
A mounted drive is a volume that is attached to an empty folder on an NTFS file system volume. The empty folder is a mount point.
If you enable shadow copies on a volume that contains mounted drives, the mounted drives are not included when shadow copies are taken. Additionally, if you share a mounted drive and enable shadow copies on it, users cannot access the shadow copies if they traverse from the host volume (where the mount point is stored) to the mounted drive.
For example, assume the following configuration:
You have the folder E:\Data\Users, and the \Users folder is a mount point for F:\.
You enable shadow copies on both E:\ and F:\.
You share E:\Data as \\Server1\Data, and you share E:\Data\Users as \\Server1\Users
In this example, users can access previous versions of \\Server1\Data and \\Server1\Users, but not \\Server1\Data\Users.
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