min wins ttl

This option tells nmbd
8
when acting as a WINS server (yes) what the minimum 'time to live'
of NetBIOS names that nmbd will grant will be (in
seconds). You should never need to change this parameter. The default
is 6 hours (21600 seconds).

Registry Hive	HKEY_LOCAL_MACHINE
Registry Path	Software\Policies\Samba\smb_conf\min wins ttl
Value Name	min wins ttl
Value Type	REG_DWORD
Default Value	21600
Min Value
Max Value