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Integration with Dataverse bidirectional Sync Error between BC Customer and D365 Account

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Posted on by AXEON Man

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I'm in the beginning stages of integrating Business Central and Dataverse.

I've got the OOB sync setup only and already (to Dataverse, not the "Sales" setup yet), when I made one change, the next sync failed.

This is the error:

Cannot update a record in the Dataverse Account table. The mapping between Phone No. field on the Customer table and the Main Phone field on the Dataverse Account table is bi-directional, and one or both values have changed since the last synchronization.

All I did was add a missing phone number to the customer record in BC.

Help? Anyone? Thanks in advance!

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Dynamics 365 Business Central

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Ramesh Kumar 7,547 Super User 2026 Season 1 on at

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1. Verify that the field mapping for Phone No. and Main Phone between BC and Dataverse is correctly configured. You might want to adjust the mapping from bi-directional to single-directional (from BC to Dataverse or Dataverse to BC) to avoid conflicts

2. Also check if Main Phone is not conflicting with changes made in VC. You can delete the manually and see if its works

Thanks, Ramesh

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YUN ZHU 99,086 Super User 2026 Season 1 on at

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Hi, will resetting the settings solve the problem?

https://learn.microsoft.com/en-us/dynamics365/business-central/admin-synchronizing-business-central-and-sales#standard-table-mapping-for-synchronization

Thanks.

ZHU

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AXEON Man 1,159 on at

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I changed it to sync from BC to Dataverse for Accounts and the phone number pushed and it worked. I do need it to work bidirectionally though and will have to figure that out. Most data entry is in Dataverse for our company. Thank you for the advice to troubleshoot. Still need to figure out what is really wrong.

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Gerardo Rentería Ga... 25,555 Most Valuable Professional on at

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Hi, good day

As our colleague suggests, you could try resetting to the initial settings.

Restore synchronization defaults for Microsoft Dataverse integration for selected Integration Table Mapping - Dynamics 365 Release Plan | Microsoft Learn

Best Regards
Gerardo

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AXEON Man 1,159 on at

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I reset it to default and get the same behavior on a different test record. Kind of defeats the purpose of bidirectional if it fails out of the box.

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Khushbu Rajvi. 22,130 Super User 2026 Season 1 on at

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Hope this helps:https://learn.microsoft.com/en-us/dynamics365/business-central/admin-common-data-service

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