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Microsoft® Windows Server™ 2003 Inside Out by William R. Stanek

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Migrating Security Principals

One of the most critical aspects of a migration is how to move security principals (such as users, groups, and computers) from one domain to another. This can get somewhat complicated in that part of the SID for each security principal is a domain SID, which of course must be changed when moved to the new domain.

When you consider that the SIDs are used to regulate user access to resources on the network, migration must accomplish moving the users' information to the new domain while retaining their existing access to resources.

In Windows networks, user access to network resources is managed by the use of access control lists (ACLs) that specify SIDs of users and groups allowed to access the resource. For each resource ...

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