Splunk Add-On for Microsoft Windows 8.3.0: Why is inputlookup AD_Obj_Group limited to 1500 members?

[duneclarke2]

We are getting a limited amount of group members of 1500 in this inputlookup. 

Any ideas on how we can expand it? 

[jason12vb]

Did you get an answer for this?  I think we're running into the same thing