> Add %retryWrites=true% to your connection string Disable try-once behaviour (%serverSelectionTryOnce=false%) Tune %serverSelectionTimeoutMS% closer to expected election time (e.g. 15 seconds) > Use the driver as you would normally: Multi-document writes (e.g. %updateMany%) may still fail; you’re no worse off Single-document writes may still fail after one retry attempt Drivers will default to %retryWrites=true% with MongoDB 4.2