Additional configuration steps for Client Access Server (CAS)

Depending on your Exchange Server 2007 CAS and Mailbox environment, you may need to configure access between CAS and Mailbox servers. Table: Configuration required for different CAS configurations shows the additional steps required for different configurations.

Table: Configuration required for different CAS configurations

CAS configuration

Forms-Based Authentication

Integrated Windows Authentication

Basic Authentication

CAS with Mailbox role

No extra configuration required

No extra configuration required

No extra configuration required

CAS to Mailbox server

No extra configuration required

See Setting up constrained delegation.

No extra configuration required

CAS with Mailbox role to Mailbox server

See Configuration for Mailbox Role on both CAS server and remote servers.

See Configuration for Mailbox Role on both CAS server and remote servers. and See Setting up constrained delegation.

See Configuration for Mailbox Role on both CAS server and remote servers.

CAS to CAS with Mailbox role

Not applicable

See Additional configuration for linked mailboxes.

Not applicable

CAS to CAS to Mailbox server

Not applicable

See Setting up constrained delegation. and See Additional configuration for linked mailboxes.

Not applicable

CAS to CAS with Mailbox role to Mailbox server

Not applicable

See Configuration for Mailbox Role on both CAS server and remote servers. and See Setting up constrained delegation. and See Additional configuration for linked mailboxes.

Not applicable