You can use certificates to sign, to verify, to encrypt, and to decrypt Applicability Statement 2 (AS2) messages in Microsoft BizTalk Server 2006 R2. However, you have to configure the certificates in different locations in the BizTalk Server 2006 Administration console. Additionally, the certificates may be stored in a different certificate store. You may have to use a different account to configure the certificates.

This article describes the certificate store where a certificate is stored. The article also describes where to configure a certificate in the BizTalk Server 2006 Administration console.

The following table describes the certificate store where the certificate is stored. The table also describes where to configure a certificate in the BizTalk Server 2006 Administration console.

Message type	Message direction	Certificate type	Certificate owner	Key type	Certificate location	Where to configure
Message	Outgoing	Signing	Home party	Private	The Personal certificate store for the account that is configured as the logon account for the in-process host	The Certificate page in the properties for the BizTalk group
Message	Outgoing	Encryption	Partner	Public	The Other People certificate store on the local computer	The Certificate page in the properties for the send port
Message	Incoming	Signing	Partner	Public	The Other People certificate store on the local computer	The Certificate page in the properties for the party
Message	Incoming	Encryption	Home party	Private	The Personal certificate store for the account that is configured as the logon account for the in-process host	The Certificate page in the properties for the isolated host
Message Disposition Notification (MDN)	Outgoing	Signing	Home party	Private	Sync MDN: The Personal certificate store for the account that is configured as the logon account for the isolated host Async MDN: The Personal certificate store for the account that is configured as the logon account for the in-process host	The Certificate page in the properties for the BizTalk group
MDN	Incoming	Signing	Partner	Public	The Other People certificate store on the local computer	The Certificate page in the properties for the party

Note When you view a certificate store, you cannot view certificates that are in the certificate store for another user. For example, you cannot see certificates in a certificate store for user A when you are logged on as user B.