How to debug the transfer flow for the replication between CRM and ECC

If you want to debug the flow from CRM to ECC, you can follow the following steps:

1. You can start the debugging by entering transaction code /h when you perform change in CRM.
2. Go to transaction SMQR in CRM system and stop the inbound queue. Here you could debug the flow from CRM to the R/3 adapter. You could de-registered the queue with queue name CSA*.
3. Go to transaction SMQS in CRM system, here you could debug the flow from R/3 adapter to ECC system. You could de-registered the RFC destination that can be found in transaction SMOEAC. The queue name is R3AU*.

If you want to debug the flow from ECC to CRM, you can follow the following steps:

1. You can start the debugging by entering transaction code /h when you perform change in ECC.
2. Go to transaction SMQR in CRM system and stop the inbound queue. Here you could debug the flow from ECC system to R/3 adapter. You could de-registered the queue with queue name R3AD*.