DNS Registry Parameter - AddressAnswerLimit

The Windows 95 Domain Name Service (DNS) resolver may have a problem when receiving a DNS response packet that contains greater than 28 addresses. For example, if you have 29 A records with the same host name, but different IP addresses, and a Windows 95 client attempts to resolve that name, the query will fail with the following error message:

To resolve this problem, obtain Windows NT 4.0 Service Pack 3 or later. For information about how to obtain the latest service pack, please see the following article in the Microsoft Knowledge Base.
Windows NT 4.0 Service Pack 3 introduced a new new registry value that lets you limit the number of A records returned for a DNS query to between five and twenty eight.

To implement this change, do the following:

WARNING: Using Registry Editor incorrectly can cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.

For information about how to edit the registry, view the "Changing Keys And Values" Help topic in Registry Editor (Regedit.exe) or the "Add and Delete Information in the Registry" and "Edit Registry Data" Help topics in Regedt32.exe. Note that you should back up the registry before you edit it.

1. Install Windows NT 4.0 Service Pack 3 or later.
2. Click the Start button, point to Settings, click Control Panel, and then double-click the Services icon.
3. Select Microsoft DNS Server Service, and then click Stop. Or from an MS-DOS command prompt type:
   net stop DNS
4. Start Registry Editor (Regedt32.exe) and go to the following subkey:
   HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services \DNS\Paramete
   
   NOTE: The above registry key is one path; it has been wrapped for readability.
5. On the Edit menu, click Add Value.
6. Type the following values:
   Value Name: AddressAnswerLimit
   Data Type: REG_DWORD
   Value: A value between 5 and 28
7. Close Registry Editor.
8. Click the Start button, point to Settings, click Control Panel, and then double-click the Services icon. Select the Microsoft DNS Server Service, and then click Start. Or from an MS-DOS command prompt type:
   net start DNS