I’ve recently been involved in MOSS 2007 farm topology discussions with a client that was interested in using the Split back-to-back topology. After a lengthy troubleshooting and escalation process we’ve identified some problems with this TechNet extranet farm topology guidance in conjunction with Microsoft Tier 2 support. In short, the TechNet document identifies some supported topologies that span domains, but this incident has raised questions about:
- The acceptable placement of server roles in those topologies.
 - Supported domain trust directions.
 - Alternate Access Mappings requirements.
 - Picking people from other domains.
 
This is an account of the relevant issues and the steps that we took to reach our conclusions. Continue reading “SharePoint Server 2007 cross-domain farm topologies”