Change technician as requestor removes technicians name

Change technician as requestor removes technicians name


Version : 10.5 Build 10509

When I use the change the technician to requestor using this, 

it removes the technicians name from historic tickets.

1 - Is there a way to prevent this and add them back in?
2 - Is there a report I could create to show a specific name in the conversation so that I can add them back in?

Thanks.

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