You are here: Core engine > High availability > Crash recovery

Crash recovery

The Pega 7 Platform provides crash recovery for browser and servers. With crash recovery enabled, the Pega 7 Platform saves the structure of the user interface and relevant work metadata to the database on user interface events.

The following matrix details the events that occur if a browser, Pega 7 Platform server, or machine crashes.

Events Browser crash Pega 7 Platform server crash
Pega 7 Platform application user interface is redrawn Yes Yes
User must re-authenticate
  • No, if redirected to the same Pega 7 Platform server
  • Yes, if authentication cookie was lost
  • No, with SSO
  • Yes, without SSO
Data entry loss
  • No, if redirected to the same Pega 7 Platform server
  • Data not committed is lost if authentication cookie was lost
Data not committed is lost

Additionally, after a crash event, users must: