Biztalk is a messaging based integration tool. It consists of several tools like Business Processes (Orchestrations), Business Activity Monitoring (BAM), HAT (Health and Activity Tracking), Rules Engines, BizTalk Server Administrative Console etc.

BizTalk Server 2006 R2 builds upon the Business Process Management and SOA/ESB capabilities and address core challenges found in key vertical industries such as manufacturing and retail. Native capabilities of BTS R2 include support for Electronic Data Interchange (EDI) and AS2 ,Windows Workflow Foundation, WCF as well as RFID.

BizTalk server 2006 R2 application can be created using Visual Studio 2005 provided BizTalk Server SDK is installed into the system. A standard BizTalk Server application consists of Schema, Mapping, and Orchestrations. The heart of the BizTalk Server application is schema that is used to define the message format of source and destination data.

BizTalk Server has capability to talk with any kind of legacy system as it only understand the plain text data (in the form of xml), in order to talk with different systems it has several inbuilt adapter like SQL Adapter, MSMQ Adapter, SMTP Adapter, File Adapter, SOAP Adapter etc.