To assign the certificate to the internal interface of the Edge Servers

1. In the Deployment Wizard, on the Deploy Edge Serverpage, next to Step 4: Configure Certificates for the Edge Server, click Run.
   
   
2. On the Welcomepage of the Communications Certificate Wizard, click Next.
   
   
3. On the Available Certificate Taskspage, click Assign an existing certificate, and then click Next.
   
   
4. On the Available Certificatespage, select the certificate that you requested for the internal interface of this Edge Server, and then click Next.
   
   
5. On the Available Certificate Assignmentspage, select the Edge Server private interfacecheck box (that is, the server interface on which you want to install the certificate), and then click Next.
   
   
6. On the Configure the Certificate Settings of Your Serverpage, review your settings, and then click Nextto assign the certificates.
   
   
7. On the wizard completion page, click Finish.
   
   

After setting up certificates for the internal interface, you are ready to set up the certificates for the external interface.

For a list of certificate requirements for the external interface of your Edge Servers, see Certificate Requirements for External User Accessin the Planning and Architecture documentation. For a list of public CAs that provide certificates that comply with specific requirements for unified communications certificates and have partnered with Microsoft to ensure they work with the Office Communications Server Certificate Wizard, see Microsoft Knowledge Base article 929395, “Unified Communications Certificate Partners for Exchange 2007 and for Communications Server 2007,” at http://go.microsoft.com/fwlink/?LinkId=140898 .