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When moving from a Single-user Write access model to Multi-user Write, the security
in effect through volume-level locking will no longer apply. When using Single-user
volumes, even if multiple users had write permissions, only one user could add or
delete data at a time. If a volume was consistently used for write on a single
workstation, all other workstations were blocked from affecting that data.
In Multi-user Write, this changes so that all users have the ability to change data on
any volume to which they are given write permissions. Keep this in mind when
moving volumes to Multi-user Write, so that writable data is not exposed to the
wrong users.