My installation of Vcenter 6.7 gets stuck at 60%. Below is the error I get:
Please read the first post in my signature and try again.
Need more details.
is it windows or appliance?
503 is generic service unavailable and is expected as the installation failed..
please retry installation or share us the install failure log bundle
Check vCenter DNS record is correct and your system and vcenter are connected to DNS server. Also check the NTP and Time is correct or not.
I hope you can resolve it!