Supporting Promotable Transactions and Phase 0

posted by  mvrok (14)  8 months ago (blogs.msdn.com)

If you are providing support for promotable transactions for your resource manager using PSPE then you need to remember to "support" Phase 0.

In general, a resource manager doesn't need to do anything special about Phase 0; this phase will be handled solely by the transaction manager. But, because in the case of promotable transactions using the PSPE mechanism, the resource manager acts as a special "transaction manager", your resource manager needs to be aware of Phase 0. Why? Because in this case, the resource manager "owns" the distributed transaction and System.Tra