If your on-premise ConnectWise server is behind an IP-filtering firewall, check your allowed IPs. There have been some changes.

• 2605:cf80:80:c00::1/64
• 192.243.214.224/29
• 64.225.4.64
• 64.225.4.77
• 64.225.4.65
• 64.225.4.102
• 104.248.8.3
• 64.225.20.123
• 68.183.57.100

We expect this list to be stable for a while since we've now settled into our new infrastructure. Thanks for your patience while we improved the service.