Error: The LDAP server is unavailable.
Description: There can be many reason.
- Slow network connection issue.
- The LDAP server is not reachable or up and running.
- No enough permission to access the server.
- The LDAP server is not configured properly.
- Programming logical error.
- Server not accessible across networks.
- Check the network connectivity is up and running.
- Check the configuration and permissions.
- Check the server is accessible across networks, different domains etc.