Syndication of merged records to multiple backend systems (MDM 7.1)

Hi all,
I have setup an MDM scenario with >1 ECC systems connected to MDM via PI. Everything works fine in terms of end-to-end process from ECC to MDM or MDM to ECC (creation, update, syndication). I have also merged records in MDM from the same backend system and am able to see the remote key information under 'edit key mappings' and when I update the merged records in mdm the data is olso updated in ECC.
BUT the update in ECC does not work for merged records where the keys are from different backend systems.
Example:
Remote system: RS1 and RS2
I have merged two records, one from RS1 and the other from RS2. The newly created record has two key mappings (RS1/RS2). Also the newly created record shows - let's say - RS1 in MDM and the the RS2 informaion is attached as remote system information. When modifying the record in MDM, only RS1 is updated but not RS2.
Remote Systems RS1 and RS2 are set up in the Cosole. Also I have setup a port for each remote system. Syndication in general works perfectly without any problem. I know that I have to trigger syndication for each port but still does not work. Any ideas?
Thanks!!!
BR,
Erdal
P.S. I am using MDM 7.1

Hi Erdal,
OK, I assumed a setup like this.
> in 5.5 there was "Output Remote Systems" whereas in 7.1 we don't have
You have this one in 7.1, too. "Output Remote Systems" was renamed to "Remote Key Override". I don't know why, but the functionality is exactly the same.
> "Supress Unchange Records" is checked
This explains the behaviour that you are facing. "Supress Unchanged Records" is used to distribute only these records that have been changed. What happens inside MDM is the following.
MDM Server creates kind of a change pointer for the changed record AND for each remote system that record belongs to:
Imagine you have a record A with a key for RS1 and RS2 each. You change this record. MDS creates two change pointers A-RS1 and A-RS2.
Now you switch to Syndicator and distribute the records with the port for RS1, but with "Remote Key Override" for both RS1 and RS2. Syndicator creates a single message and includes both the remote keys for RS1 and RS2. Furthermore it deletes BOTH change pointers A-RS1 and A-RS2 as the record was distributed for BOTH systems!
If you then connect with Syndicator to the port for RS2 and start the syndication, Syndicator cannot find any change pointers and thus won't create a message.
If you want to send the golden record to different systems, I'd suggest to add each system to MDM Console. Create a syndication map & port FOR EACH system. Within the map use the target system only as "Remote Key Override". Use "Supress Records without key" to exclude those records, that do not have a remote key for the target system. Use "Supress unchanged records" if you want to distribute only the changed records.
If you need a message having all keys of all systems (e.g. to update a BI system with grouping information), create a specific remote system for this purpose. Create a map & port, the map shall now use the "Remote Key Override" for all systems. The "Supress" settings can be made as above, but especially for BI we're recommending to syndicate always all records (do not "Supress unchanged records").
Best regards
Michael

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