Our schools have been using the missync tool to sync between parentpay & sims for the last couple of years, but the way it has been. May 28, 2025we’re supporting a primary school client who has encountered an issue with terminating their sims/fms contract with ess (parentpay group). Mar 4, 2019parentpay upload client has the school id logged in and showing as client status running, i don't have much exposure on these side systems so parentpay and mis:sync are.