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FIX: "An item with the same key has already been added" error in BizTalk Server 2010 when the BizTalk Settings Dashboard exports settings in a BizTalk Server cluster

Article ID: 2509185 - View products that this article applies to.

SYMPTOMS

Consider the following scenario:

You install Microsoft BizTalk Server 2010 on a cluster.
You use the BizTalk Settings Dashboard to try to export BizTalk settings.

Note The BizTalk Settings Dashboard is available in the BizTalk Server Administration Console.

In this scenario, the BizTalk Settings Dashboard does not export the BizTalk settings, and you receive the following error message:

An item with the same key has already been added.

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This issue occurs because BizTalk Server tries to export the settings of the BizTalk Server instances that are on inactive nodes.

When this issue occurs, the host name and the server name are handled incorrectly. Therefore, the issue that is mentioned in the "Symptoms" section occurs.

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RESOLUTION

Cumulative update package information

For more information about how to obtain the cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:

2573000

(http://support.microsoft.com/kb/2573000/ )

Cumulative update package 2 for BizTalk Server 2010

Note After you apply this cumulative update package, BizTalk Server exports the settings from only active nodes in a cluster. Additionally, BizTalk Server uses one host name and one server name to copy settings to nodes when BizTalk Server imports settings..

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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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MORE INFORMATION

For more information about Windows Server Cluster for BizTalk Server, visit the following MSDN website:

General information about Windows Server Cluster for BizTalk Server

(http://msdn.microsoft.com/en-us/library/aa560059(v=BTS.70).aspx)

For more information about BizTalk Server hotfixes, click the following article number to view the article in the Microsoft Knowledge Base:

2003907

(http://support.microsoft.com/kb/2003907/ )

Information about BizTalk Server hotfixes

For information about service packs and cumulative update packages for BizTalk Server, click the following article number to view the article in the Microsoft Knowledge Base:

2555976

(http://support.microsoft.com/kb/2555976/ )

Service Pack and Cumulative Update list for BizTalk Server

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