search users via LDAP

Hello everyone,

I'm anewbietoingniteproject.

I installedOpenfire3.9.3onubuntuserver, configuredwithLDAPactive directory.

I installedSpark2.6.3on twotest clientwindows.

Login viaADcredentialsaresuccessfully concluded.

In thewebserveropenfirevisualizeall accounts.

How can theclientresearchnetwork usersto startthe chat session?

WhenI search a useris returnedto methe error:

Unableusersearch