Patching hypervisor machines with Meltdown-Spectre fix
Scheduled Maintenance Report for AppVeyor
The scheduled maintenance has been completed.
Posted 2 months ago. Jan 07, 2018 - 21:13 PST
In connection with recently discovered Meltdown-Spectre bug in modern processors we are going to install emergency fix KB4056890 ( on Hyper-V machines running customer builds and some infrastructure components. During this update some VMs will be switched to an alternative router with public IP - make sure this IP is allowed on your firewall if you have IP restrictions applied. Full list of AppVeyor IPs can be found here:

Thank you for your patience!
Posted 2 months ago. Jan 07, 2018 - 10:36 PST