When we have requirement where the Integration Server had to process the IDoc XML messages created by the IDoc adapter in the same sequence that the Idocs were sent from the SAP R/3 system. In this case the Quality of Service is Exactly Once in Order (EOIO).
The steps involved in setting up the inbound qRFC queues which will be used for IDoc serialization using the IDoc adapter:
1.Logon to the ABAP stack of XI instance, execute the transaction SE16 and enter the table name as “IDXQUEUE”
3. To display the entries created, click on the “Table Contents” button, supply “*” to the PORT and MESTYP fields to select all entries in the table and execute:
List of all entries in the table “IDXQUEUE” shown below:
4.Test with some of the IDoc Message types for which we have setup the inbound qRFC queues. To check which inbound queue is used, execute the transaction SMQ2 in your ABAP stack and the following screen appears: