This form is opened when you switch on the Convert V1 project revision history to V2 option on the Database Administration Automatic Updates form.

Convert Revisions
Impact Licensing – Service Update
Throughout today (Dec 2nd), our licensing service provider, Nalpeiron, experienced several outages caused by issues at their hosting provider, Azure. Nalpeiron has confirmed that full service has now been restored, they do not expect further disruption, and they are implementing additional safeguards to mitigate similar issues in the future.
This form is opened when you switch on the Convert V1 project revision history to V2 option on the Database Administration Automatic Updates form.

Convert Revisions