start run type "regedit"
follow this path
"HKEY-LOCAL-MACHINE/system/current ontrol set /services/dnscache/parameters"
creat a new "DWORDVALUE" IN RIGHT HAND COLOUM
CacheHashTableBucketSize = 1
CacheHashTableSize = 180
MaxCacheEntryTtlLimit = ff00
MaxSOACacheEntryTtlLimit = 12d
NegativeCacheTime= 0
NetFailureCacheTime=
NegativeSOACacheTime= 0
