If you have Windows for Workgroups using the Microsoft TCP/IP-32 protocol, the client refreshes its names with the WINS server every 16 minutes.
NOTE: An NT client initially refreshes and 1/8 and then 1/2 the WINS Renewal Interval.
To adjust the refresh interval on a WFW WINS client:
1. Open System.ini.
2. Locate the \[NBT\] section.
3. Add a line:
where X is the refresh interval in milliseconds. the minimun setting is
InitialRefreshT.O.=960000 and the maximum setting is
InitialRefreshT.O.=4294967295 (which is approximately 50 days.