Customers in AD environments that need to deploy OCS can use the following information to set up a GPO that can automate the configuration of the OCS client.

Refer to the Microsoft website for instructions on importing a custom ADM file for adding in communicator.adm:
http://support.microsoft.com/default.aspx?scid=kb;en-us;816662

From Group Policy Editor, set the options to specify server name, transport, require logon credentials, and allow storage of user passwords. This also allows for forcing settings such as automatic archiving of IM conversations to Outlook and disabling links in chat.