ICO0135EWhen the value of IMSInteractionSpec property useConvID is true
(client-managed conversation state programming model), conversational transactions
are supported with Commit Mode 1 ONLY.
Explanation
Conversational transactions that use the conversation ID to track the iterations
of a conversation (by setting the IMSInteractionSpec useConvID property to true) are supported
only for commit mode 1.
User response
Use commit mode 1 with the client-managed conversation state programming
model.