This issue occurs when user store value of two or more attributes are common. As a result, multiple entries of same values are eliminated during the optimization process when values of certain login formats are deleted.
Complete the following steps on the VIP Enterprise Gateway machine to update the configuration page:
Stop the following services (if applicable):
VIP Enterprise Gateway Service
Self-Service Portal IdP Service
VIP Manager IdP Service
LDAP Sync Service
Locate the existing engine.jar in <VIPEG_InstallDir>\server\ext. Rename this to engine.jar.old.
Copy the new engine.jar file from step 1 into this location