因為在 NetBIOS 電腦名稱中含有一個空格，所以無法升級這個 Active Directory Lightweight Directory Services 執行個體。請將電腦重新命名並重新啟動升級操作。
Click to search this error in Google
English version
This Active Directory Lightweight Directory Services instance cannot be promoted because of a space in the NetBIOS computer name. Rename the computer and restart the promotion.
Windows