ConfigMgr: Unknown Host (gethostbyname failed) ApplyOperatingSystem

Recently I saw a ConfigMgr client machine that failed half way through the Task Sequence with the following errors in the SMSTS.log file: – unknown host (gethostbyname failed) ApplyOperatingSystem – sending with winhttp failed; 80072ee7 In this case the DHCP lease time was so short that the machine lost it’s lease before the build finished.Read More