FIX: "400 Bad Request" error when you send an email message to SharePoint that is larger than 2 MB

View products that this article applies to.

Symptoms

When you send an email message that is greater than 2 MB in file size to SharePoint in BizTalk Server, you receive the following exception:

400 Bad Request

[Microsoft.SharePoint.Client.ServerException] The request message is too big. The server does not allow messages larger than 2097152 bytes. Server Error code: -1 Trace: at Microsoft.SharePoint.Client.ClientRequest.ProcessResponse

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Resolution

Cumulative update information

This problem was fixed in the following cumulative update for BizTalk Server:

Cumulative Update 1 for BizTalk Server 2016

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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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References

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

2555976 Service Pack and cumulative update list for BizTalk Server

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

2003907 Information about BizTalk hotfixes and Cumulative Update support

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