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How does Named Pipes work?
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From
30/06/2004 13:35:27
 
 
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General information
Forum:
Microsoft SQL Server
Category:
Other
Title:
How does Named Pipes work?
Miscellaneous
Thread ID:
00919187
Message ID:
00919187
Views:
44
I want to understand more about how Named Pipes works between SQL Server and client.

I know the followings:

Named Pipes is a network library and is using dbnmpntw.dll and dbnmp3.dll.
Named Pipes supports the following network transport protocols:
NW Link IPX/SPX
NetBEUI
TCP/IP
Named Pipes uses ports 137, 138, 139, and 445.

I'm interested in knowing:

The relationship among Named Pipes, SMB and NetBIOS.
When will Named Pipes use port 139 and when will it use port 445?
What is the difference among the terms: Named Pipes over NetBIOS, Named Pipes over NetBEUI, and Named Pipes over TCP/IP?

Thank you.
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