Distribution List Expansion Web Service configuration

Can I increase "Maximum members limit on a Distribution List expansion: 50"? If I can, how?

Log Name:      Lync Server
Source:        LS Address Book and Distribution List Expansion Web Service
Date:          4/4/2014 4:34:44 PM
Event ID:      62004
Task Category: (1024)
Level:         Information
Keywords:      Classic
User:          N/A
Computer:      MSGR.mol.gov.mn
Description:
Successfully initialized Distribution List Expansion Web Service

Maximum number of group members to return: 150
Maximum active AD connections: 4294967295
Maximum members limit on a Distribution List expansion: 50