The LoadMaster enables you to authenticate to the WUI using LDAP groups. This means you do not need to set up local users on your LoadMasters.
If you do not use group authentication, you would need to create a local user on each LoadMaster (or one LoadMaster in a High Availability (HA) pair). You would need to define a password for LoadMaster access and for Active Directory. Initially, both passwords could be the same. However, if a user changes their Active Directory password, the passwords become different and this can cause confusion, in addition to the user having to remember another password.
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