Tune performance of the Domino Directory
If you are using Domino Directory as the primary (and only) LDAP server for WebSphere Portal, you can set the following property in the CSEnvironment.properties file to false to improve the performance of Domino Directory.
Modify the CSEnvironment.properties file to change the following setting:
CS_PERF_PROP_USEWMM.enabled=true
Parent
Collaborative Services environment properties