Cache Server Hostname
Supported on: At least Windows Server 2016, Windows 10
Registry
HKLM
SOFTWARE\Policies\Microsoft\Windows\DeliveryOptimization Options
DOCacheHost text Description
Specifies one or more Microsoft Connected Cache servers that will be used by your client(s). One or more values can be added as either fully qualified domain names (FQDN) or IP addresses. To add multiple values, separate each FQDN or IP address by commas.