Scenario:
Upgrading a site to Exchange 2003 from Exchange 5.5 by installing a new server in to the 5.5 site. The user mailboxes, public folders, distribution lists, and mail routing will be moved over to the new server.
The O (Organization) has already been upgraded to Exchange 2003, and several sites have already been upgraded, as well.
While running setup to install the first server in to this particular site, the following error message is displayed:
Failed to install sub-component Site Replication Service with error code 0xC1030B11