Recent DiscussionsMost RecentNewest TopicsMost LikesSolutionsTagged:TagRe: Server 2019 Volume licensing activation key not working rao_kru It did not work for me for the Version Win SRV 2019 STD Core but I called MS and they told me to use this Run CMD as Administrator slmgr.vbs -ipk YOUR PRODUCT KEY. this one helped and windows was activated