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Client and server authentication

The AE Services implementation for Communications Server requires a certificate that does both client authentication and server authentication.

In case of Microsoft Windows Server 2003 Standalone CA, you can select the Other... option from the Type of Certificate Needed selection box. For more information, see Installing a Microsoft Certificate Services-based certificate on the Microsoft Live Communications Server 2005.

If you use another CA, either a generic CA, or the Microsoft Windows Server 2003 Enterprise CA, the certificate request will not contain the same drop-down menus and choices. For example, with Microsoft Windows Server 2003 Enterprise CA, you might not see a field for the OIDs because the OIDs can be set by the CA administrator in a template.