Symptoms

K2 "People" picker is very slow when using AD Service2 based SmO as data source.

Diagnoses

This is known issue when AD Service 2 based User SmO is used as data source for picker control (internal ID 559365). There is a coldfix, available upon request from K2 support, which improves performance. You may also observe similar issues when URM Service bases user SmO used as a source for the picker and there is no fix for this issue at the moment.

NOTE: You will only see these performance issues in large scale multidomain AD DS environments with very large number of users. Issue affects K2 4.6.9 - 4.6.11.

Resolution

Contact K2 support to request coldfix for this issue.