Unspecified vulnerability in Windows 2000 Advanced Server SP4 running Active Directory allows remote attackers to cause a denial of service via unknown vectors, as demonstrated by a certain VulnDisco Pack module.  NOTE: the provenance of this information is unknown; the details are obtained from third party information. As of 20061116, this disclosure has no actionable information. However, since the VulnDisco Pack author is a reliable researcher, the disclosure is being assigned a CVE identifier for tracking purposes.