have you worked through: https://docs.zerotier.com/zerotier/troubleshooting/ ?
However suddenly one laptop was able to connect to 2 other windows boxes (even though other Windows machines cant).
This tells me it's not ZT fault, but rather everlasting update and restriction nonsense from windows is a culprit
However suddenly one laptop was able to connect to 2 other windows boxes (even though other Windows machines cant).
This tells me it's not ZT fault, but rather everlasting update and restriction nonsense from windows is a culprit