Post vCenter upgrade to 8.0u2, Auto Deploy is not able to pull the image from vCenter.
It fails with below error
/vmw/rbd/host-register... HTTP 4xx Client Error
Could not boot: HTTP 4xx Client Error
Could not boot image: HTTP 4xx Client Error
Network error encountered while PXE booting.
VMware vCenter Server 8.0
The Auto Deploy feature on the version 8.0 U2 has the code change due to which, the "hostname" attribute is now verified for the following pattern: '^[a-zA-Z0-9\-]{1,63}$'
dots are no longer accepted.
As a workaround the following steps can be followed by checking the parameters used on the host
Upon verifying that the FQDN is being used as the hostname, navigate to the DHCP server
In the DHCP server, navigate to the IPv4 > Scope Auto Deploy > Host ( The IP address of the host will be listed).
Update the hostname from hostname.domain_name.top_level_domain ( Example : esxi01.vsphere.local ) to hostname ( Example : hostname ).
Reboot the host.
The Auto Deploy fails with the following error :