Appendix B: Security IdentifiersSome logical groups are represented by a Security Identifier, and do not have a Display Name. In those cases the output of the get-adpermission task will only print the Security Identifier. The following Security Identifiers have been defined within Exchange2007 Transport: Hub servers within the same organization: S-1-9-1419165041-1139599005-3936102811-1022490595-21 Note: For authentication and authorization between 2 Hub servers within the same domain, the machine account is used, which is a member of “Exchange 12 Servers”. Trusted Edge servers: S-1-9-1419165041-1139599005-3936102811-1022490595-22 Trusted 3rd party servers, serving the same Authoritative domain(s): S-1-9-1419165041-1139599005-3936102811-1022490595-23 Exchange 2003 servers in the same organization: S-1-9-1419165041-1139599005-3936102811-1022490595-24 | 
