DnsTtl
HKLM\SYSTEM\CurrentControlSet\Services\Netlogon\Parameters
Data type |
Range |
Default value |
|---|---|---|
REG_DWORD |
0x0 | 0x1–0x7FFFFFFF ( seconds ) |
0x258 ( 600 seconds = 10 minutes ) |
Description
Determines how long a memory cache in the client computer saves Domain Name System (DNS) records that the Net Logon service registers.
Value |
Meaning |
|---|---|
0x0 |
DNS records registered by Net Logon are not cached. |
0x1–0x7FFFFFFF seconds |
Specifies the maximum time that DNS records registered by Net Logon are saved in the cache. |
This value applies to all records, regardless of how frequently or how recently the records might be referenced. It ensures that client records are always current.
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Note
Windows 2000 does not add this entry to the registry. You can add it by editing the registry or by using a program that edits the registry.
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Tip
Increasing the value of this entry might improve performance. However, if this value is too large, the DNS records might not be updated often enough.