Renewing Wins Client Registrations with NBTSTAT -RR
ID: Q188598
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The information in this article applies to:
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Microsoft Windows NT Workstation version 4.0 SP4
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Microsoft Windows NT Server version 4.0 SP4
SUMMARY
It is sometimes necessary that clients or servers on your network need to
reregister their NetBIOS names with a Windows Internet Name Service (WINS)
server. Previously, this required restarting the client so that all names
associated with that client would be released and reregistered during the
startup process.
In Service Pack 4 for Windows NT, a new feature has been added to the
Windows NT version of the utility Nbtstat.exe. The -RR parameter will allow
Windows NT clients to release their NetBIOS names and reregister them with
their WINS server.
MORE INFORMATION
Below are some situations where reregistering a WINS client's names would
be necessary:
- The registration has been lost or deleted in WINS and needs to be
refreshed by the client. Nbtstat.exe -RR will send a release and
renewal of all NetBIOS services associated with the WINS client,
creating a new record.
- The registration exists in some WINS servers but not in others. A
reregistration is useful here to increment the WINS version Ids, which
will help in causing a WINS server replication to occur.
A Microsoft WINS server record includes a WINS client's NetBIOS names, its
IP addresses, and a value called a version ID. WINS servers use a client
record's version ID to keep track of records that need to be replicated to
other server. This allows new WINS records to be replicated without sending
the entire database from one server to another. This version ID is
incremented when new records are added, but not when they are renewed. By
quickly releasing and renewing the record, an existing records version ID
will be incremented.
When you run Nbtstat.exe -RR, a timer is invoked so the command cannot be
repeated for 2 minutes. This is to prevent a WINS server becoming saturated
by client renewals if this process is repeatedly invoked on a server.
NOTE: The -RR is case sensitive.
Keywords : NT4SP4Fea
Version : WinNT:4.0
Platform : winnt
Issue type : kbinfo
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