Dynamics 365 Finance and Operations Unified Developer Experience (UDE) environment is unavailable. Error 502.

In some cases, the Dynamics 365 Finance and Operations Unified Developer Experience (UDE) environment may not be available, and returns:

Error 502
Gateway Request Id: be5bdd0b-0e8c-4479-bd57-a91a61123c56
Request Affinity: AOS1

Based on my experience, there are several options to fix this error:

  • Restart the services by switching the environment to Administration mode and then switching it back.
  • Deploy a model when this happens.
  • Wait for some time and it will come back online automatically.

No comments:

Ax 2012 data upgrade on the self-service environment. The error "There is no row at position 0."

During the Ax 2012 data upgrade, after providing connection details to Ax2012 SQL Server, the migration tool closed and I received the follo...