DNS Server Caches NS Records Longer Than the TTL (303964)

SYMPTOMS

Name resolution may stop working in certain instances (particularly in case of invalid delegations) as Windows 2000 DNS Server may cache NS records that are longer than their TTL value. These NS records may not be displayed in the MMC or by using the Dnscmd.exe tool, but they may be continued to be used for up to 24 hours.

RESOLUTION

To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 How to Obtain the Latest Windows 2000 Service Pack

The English version of this fix should have the following file attributes or later:

   Date          Time    Version      Size     File name
   -----------------------------------------------------
   Aug 13, 2001  10:07   5.0.2195.41  324,368  Dns.exe

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 3.

MORE INFORMATION

For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below to view the article in the Microsoft Knowledge Base:

265173 Datacenter Program and Windows 2000 Datacenter Server Product

For additional information about how to install multiple hotfixes with only one reboot, click the article number below to view the article in the Microsoft Knowledge Base:

296861 Use QChain.exe to Install Multiple Hotfixes with One Reboot

For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:

249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes