1 Introduction

The MSDTC Connection Manager: OleTx XA Protocol [MC-DTCXA] specifies extensions to the MSDTC Connection Manager: OleTx Transaction Protocol [MS-DTCO] to support XA-compliant software components, as specified in [XOPEN-DTP], in an OleTx distributed transaction processing environment. It specifies the syntax and semantics of the new protocol messages. This protocol supports the inclusion of XA-compliant resource managers in a transaction organized by an Ole Tx Transaction manager and provides support for registration, enlistment, two-phase commitment, and recovery. Because this document builds upon and relies heavily on the MSDTC Connection Manager: OleTx Transaction Protocol specification [MS-DTCO], familiarity with its terms and concepts is assumed.

Sections 1.5, 1.8, 1.9, 2, and 3 of this specification are normative. All other sections and examples in this specification are informative.

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