Data type Range Default value
REG_DWORD 0x0 - 0xFFFFFFFF seconds 0x78 (120 seconds = 2 minutes)


Determines how long an entry recording a negative answer to a query for an SOA record remains in the DNS cache. When the time specified in the value expires, the DNS client deletes the answer record from the cache.

Activation method

To make changes to this entry effective, restart the DNS client service or restart Windows 2000.

Note Image Note

This entry applies only to queries for SOA records. The maximum cache time for negative non-SOA records is determined by the value of NegativeCacheTime.