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Considerations for Installing BizTalk Server on a Windows Server Cluster

Special considerations must be made when installing BizTalk Server on a Windows Server cluster. This topic lists these considerations.

It is a recommended practice to cluster the Enterprise Single Sign-On Master Secret Server in an active/passive configuration to provide high availability for the master secret server. If a non-clustered BizTalk host instance and a clustered instance of the Enterprise SSO service are running on the same cluster node, the BizTalk host instance will fail if the clustered Enterprise SSO service is moved to a different node in the cluster. BizTalk Hosts maintain a dependency on a locally running instance of the Enterprise SSO service. Therefore if the Enterprise SSO service is configured as a clustered resource, then any BizTalk Hosts running on the cluster nodes must be configured as a clustered resource in the same cluster group.

If you plan to install BizTalk Server on a Windows Server cluster, you must cluster the Microsoft Distributed Transaction Coordinator first.

To cluster MSDTC on a Windows Server 2008 failover cluster, follow the steps outlined in Checklist: Creating an MS DTC Resource in a Windows Server 2008 Failover Cluster

To cluster MSDTC on a Windows Server 2003 cluster, follow the steps outlined in the Microsoft Knowledge Base article 301600 at http://go.microsoft.com/fwlink/?LinkId=62730.

To enable network DTC access on each cluster node as well as on the SQL server that will host the BizTalk Server databases, follow the steps outlined in Microsoft Knowledge Base article 817064, available at http://go.microsoft.com/fwlink/?LinkId=55137. Network DTC access must be enabled to accommodate transactional support for BizTalk Server. We recommend that you restart each server after completing the steps in this Knowledge Base article.

Since the Configure Your Server Wizard is not available on a Windows Server 2003 cluster, you must manually complete the following steps when installing BizTalk Server on a Windows Server 2003 cluster:

  • Install Internet Information Services (IIS).

  • Enable COM+ for remote transactions.

  • Enable the ASP.Net Web Service extension.

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Windows Server 2008 does not provide a Configure Your Server Wizard. Complete the following steps when installing BizTalk Server on a Windows Server 2008 failover cluster:

If you install BizTalk Server on multiple computers, you must specify domain groups and user accounts in the BizTalk Server Configuration Wizard. If you use domain groups for your BizTalk Server configuration, you must manually create the groups before you configure BizTalk Server.

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