Instance is slow while using third-party VPNIssue In some cases, it may be observed that, with a third-party VPN network, the instance portal performance is slow. However, while not connected to the VPN, the instance portal response is fast.CauseServiceNow environment is ideally configured for the open internet. So, if this is slow while using some third-party network, this is caused because of this third-party network & it's configurations.ResolutionYou are recommended to reach your third-party network team to troubleshoot this.