Windows server 2012 IIS service node fails to be added due to the following error:
Failed to execute command '/usr/local/pem/roles//PPA/Ensure-PrimaryDNSSuffix-Empty.vbs'. Check logs in 'c:\POA_Deploy' at host '<sn_ip_addr>' for more details about the reasons of failure.
Service node has a DNS suffix configured in This PC->Properties->Advanced system settings->Computer Name->Change->More
On the Windows server open This PC->Properties->Advanced system settings->Computer Name->Change->More clear the DNS suffix field in the mentioned dialog, and restart the service node.
In case if the suffix gets back, even after the reboot, clear the following registry key: