# Migrating to the EMS JAAS Modules

Migrating from LDAP authentication within the EMS server to authentication using the JAAS modules is relatively straightforward. Many of the parameters directly map to each other. Nevertheless, there are some differences and so care must still be taken.

The LDAP Group User Authentication module provides similar functionality to that of the EMS server. However, if group membership is not required for authentication, then the LDAP Authentication module is a better choice.

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