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1.4 Relationship to Protocols and Other Structures

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The UDC file is used by the Forms Services Proxy Web Service Protocol, as described in [MS-FSPP] section 1, to connect to a target web service and optionally use the credentials specified in the UDC file.

A form template uses the information in a UDC file to connect to a data source. The InfoPath Data Connection File Download Protocol, as described in [MS-INFODCF] section 1, provides a method for a protocol client that has a form template to request a UDC file.