In the console tree of ISA Server Management, click
On the Tasks tab, click Publish Exchange Web Client
In the New Exchange Publishing Rule Wizard, follow the
To open ISA Server Management, click Start, point to
All Programs, point to Microsoft ISA Server, and then
click ISA Server Management.
For ISA Server 2006 Enterprise Edition, expand
Microsoft Internet Security and Acceleration
Server 2006, expand Arrays, expand
Array_Name, and then click Firewall
For ISA Server 2006 Standard Edition, expand Microsoft
Internet Security and Acceleration Server 2006, expand
Server_Name, and then click Firewall
Microsoft Exchange publishing rules are used for Web-based
client access such as Microsoft Outlook Web Access, Outlook
RPC/HTTP(S), Outlook Mobile Access, and Microsoft Exchange
ActiveSync. To publish client access to mail servers over RPC,
IMAP, POP3, and SMTP, create a mail server publishing rule.
If you are publishing Outlook Web Access, be sure to select a
listener that is configured to use forms-based authentication, on
the Select Web Listener page of the wizard.
For Outlook Web Access that uses Exchange Server 2003 or
earlier, you must use Basic delegation.
When you publish RPC over HTTP, the ISA Server log may contain
Failed Connection entries including Error 64: "The
specified network name is no longer available"
(ERROR_NETNAME_DELETED). You can safely ignore these entries,
which are a response to how Exchange handles the RPC over HTTP
Use of Kerberos constrained delegation requires that you
configure Active Directory to recognize ISA Server as trusted for
After you click Apply in the details pane, the policy is
updated. The new policy applies only to new connections.