When you restore your

vCenter Server

instance from a backup file, it begins in an unconfigured state. During this time, you must use basic authentication to access the

. When you use basic authentication, do not use the

vSphere Automation

API endpoint. Instead, you must connect your client to port 5480 of the

vCenter Server

instance.

When you use basic authentication, you must pass user name and password credentials with each

request

. Use credentials that are known to the guest operating system of the

vCenter Server

instance.