Specifies the DN of the node where the search for the user's MSISDN number should start. There is no default value. The field will recognize any valid DN. Multiple entries must be prefixed by the local server name. The format is servername|search dn. For multiple entries:
servername1|search-dn servername2|search-dn servername3|search-dn
If multiple users are found for the same search, authentication will fail.