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Remarks
The nbtstat command-line parameters are case-sensitive.
The column headings generated by the nbtstat command, include:
Heading
Description
Input
The number of bytes received.
Output
The number of bytes sent.
In/Out
Whether the connection is from the computer (outbound) or from another computer to the local computer (inbound).
Life
The remaining time that a name table cache entry will live before it is purged.
Local Name
The local NetBIOS name associated with the connection.
Remote Host
The name or IP address associated with the remote computer.
<03>
The last byte of a NetBIOS name converted to hexadecimal. Each NetBIOS name is 16 characters long. This last byte often has special significance because the same name might be present several times on a computer, differing only in the last byte. For example, <20> is a space in ASCII text.
type
The type of name. A name can either be a unique name or a group name.
Status
Whether the NetBIOS service on the remote computer is running (registered) or a duplicate computer name has registered the same service (Conflict).
State
The state of NetBIOS connections.
<03>
<20>
The possible NetBIOS connection states, include:
State
Description
Connected
A session has been established.
listening
This endpoint is available for an inbound connection.
Idle
This endpoint has been opened but cannot receive connections.
Connecting
A session is in the connecting phase and the name-to-IP address mapping of the destination is being resolved.
Accepting
An inbound session is currently being accepted and will be connected shortly.
Reconnecting
A session is trying to reconnect (it failed to connect on the first attempt).
Outbound
A session is in the connecting phase and the TCP connection is currently being created.
Inbound
An inbound session is in the connecting phase.
Disconnecting
A session is in the process of disconnecting.
Disconnected
The local computer has issued a disconnect and it is waiting for confirmation from the remote system.
Examples
To display the NetBIOS name table of the remote computer with the NetBIOS computer name of CORP07, type:
nbtstat /a CORP07