On the VIP EG console Dashboard (Home tab), the LDAP Sync Instances displays "No LDAP synchronization instances found."
Enterprise Gateway - 9.9.x, 9.10.x
Upgrade EG to version 9.9.2 or 9.10.1
For instance, if the issue occurs in EG 9.10.0, upgrading to 9.10.1 resolves the issue.