‘Callback Registration Expander’ System Jobs stuck at ‘Waiting For Resources’

We set up a new Dynamics Instance by copying from another Instance using ‘Copy environment’ option from Power Platform Admin Center.

We opted ‘Copy over’ as ‘Customization and schema only’, as we don’t need the data to be copied over to the Target instance.

On the Target instance we’ve started the Data Migration activity and noticed frequent connection timeouts. When checked the ‘System Jobs’, there were many “Callback Registration Expander” Jobs stuck at “Waiting For Resources” state.

Reason:

• To understand “Callback Registration Expander” jobs , lets first understand Callbackregistration entity.
• ‘Callback Registration’ entity stores the configuration of Processes and Cloud flows (i.e., Power automate flows).
• So, if you create a new Flow on the instance, a new entry goes in to ‘Callback Registration’ entity.

• Coming back to our issue, when we configured the new Instance using Copy option, “Callback Registration Expander” jobs from the source instance copied to…