This week, we'd like to share a hot issue related to DNS name resolution. Sometimes, you may see the DNS name resolution fails on a Windows system. For example, you may get a “host not found” error when you try to ping www.microsoft.com or any other web sites.
We have got many support incidents about the DNS name resolution that are caused by certain registry entries are deleted. These registry entries may be deleted by some imaging software. If you are encountering the issue, you may read the following KB article.
945980 DNS name resolution does not work on Windows Server 2003