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Enterprise Identity Mapping (EIM) is an open IBM architecture that is used to help network managers streamline the process of creating password controlled access for multiple network users. EIM functions with multiple user registries and may be used with mixed platform enterprises, given systems meet all compatibility requirements.
To set up an EIM, an EIM domain controller that uses Lightweight Directory Access Protocol (LDAP) must be created, and system administrators (SA) must map all users, which can be a time consuming process. However, with successful EIM implementation, systems benefit from less complex access engineering for multiple users.
Proponents note that the EIM approach leads to overall savings, including staff hours for management issues resulting from forced password changes that create multiple registry problems. Ultimately, with a little leg work, managers can save time on overall network access maintenance.