Idocs are not prosessing even after ALE settings in SAP XI and ECC

Hi Experts!,

<b>I have a system which has SAP ECC and SAP XI 3.0 installed with 2 instances on the same operating system. ( In MMC you can see ECC and XI under the same SAP console tree ).

I have made many times all possible ALE settings between ECC and XI and I was unable to deliver the IDOC [ Idoc scenario- unable to get the IDOC in the receiver side (R3)]

Could any one please let me know how to solve this issue.

Useful answers will be rewarded.

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Thanks in advance!,

Sunil