DOCS-16192-LDAP-users (#3477) (#3517)

* DOCS-16192-LDAP-users

* DOCS-16192-LDAP-users

* DOCS-16192-LDAP-users

* DOCS-16192-LDAP-users

* DOCS-16192-LDAP-users

* DOCS-16192-LDAP-users

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Co-authored-by: jason-price-mongodb <[email protected]>

Author: jason-price-mongodb

source/reference/parameters.txt

@@ -229,11 +229,15 @@ Authentication Parameters
    LDAP server, then :binary:`~bin.mongod`:
 
    - Invalidates the cached LDAP user information.
-      
-   - Is unavailable for LDAP users. LDAP users are unable to
-     authenticate until :binary:`~bin.mongod` contacts the LDAP
-     server.
- 
+   - Is unable to authenticate new sessions for LDAP users until
+     :binary:`~bin.mongod` connects to the LDAP server and
+     authorizes the LDAP user.
+   - Authorizes any existing sessions that use previously authenticated
+     LDAP users if :binary:`~bin.mongod` is unable to connect to the
+     LDAP server. When :binary:`~bin.mongod` reconnects to the LDAP
+     server, :binary:`~bin.mongod` ensures the LDAP users are correctly
+     authorized.
+
    The maximum interval is 86,400 seconds (24 hours).
 
    For example, the following sets