SQL 7 DTS and named pipes

SQL 7 DTS and named pipes

Post by Thomas Tod » Sat, 13 Jan 2001 01:49:14



I need to run DTS to transfer a database on 6.5 to an identical database on
7.0.  I am told that Named Pipes is not available in the environment that
these server are located.

I was told that I couldn't use the upgrade wizard to perform this copy
because it requires named pipes.  Is the same true of DTS in that it
requires named pipes?  If so - any alternative to copying the data (other
than bcp)?

Thanks in advance.

 
 
 

SQL 7 DTS and named pipes

Post by Michael McMurtre » Sat, 13 Jan 2001 14:45:42


I grabed this section out of the Books Online to help you out.  So basically
my understanding is that as long as both of your machines are comunicating
with the same protocols you should be able to use SQL Server upgrade wizard
or DTS.

----------------------------------------------------------------------------
--------------------

Client Net-Libraries and Network Protocols
Microsoft? SQL ServerT uses a dynamic-link library (DLL) called a
Net-Library to communicate with a particular network protocol. A matching
pair of Net-Libraries must be active on client and server computers to
support the desired network protocol. For example, to enable a client
application to communicate with a specific instance of SQL Server across
TCP/IP, the client TCP/IP Sockets Net-Library (DBNETLIB.dll) must be
configured to connect to that server on the client computer, and the server
TCP/IP Sockets Net-Library (SSNETLIB.dll) must be listening on the server
computer.

By themselves, a pair of Net-Libraries cannot support a client/server
connection. Both the client and server also must be running a protocol stack
supporting the Net-Libraries. For example, if the server TCP/IP Sockets
Net-Library is listening on the server computer, and the client TCP/IP
Sockets Net-Library is configured to connect to that server on the client
computer, the client can only connect to the server if a TCP/IP protocol
stack is installed on both computers.

Multiple Network Protocol Support
The Named Pipes and Multiprotocol Net-Libraries both support multiple
network protocols (NW Link IPX/SPX, NetBEUI, and TCP/IP), and will select
automatically any supported network protocol that is available. Using either
of these Net-Libraries is useful if the client must connect to multiple
servers running different network protocols, and you do not want to create
and manage configuration entries for each server-network protocol
combination.

Net-Library Setup and Defaults
The client Net-Libraries are installed during SQL Server Setup. You define
which client Net-Libraries are used to connect to particular instances of
SQL Server using the Client Network Utility. You can specify a default
Net-Library for all connections and also define the use of specific
Net-Libraries for connecting to specific instances of SQL Server. TCP/IP is
the default protocol on clients running the Microsoft Windows NT? 4.0,
Windows? 2000, Windows 95, or Windows 98 operating system.

SQL Server can be listening simultaneously on any combination of server
Net-Libraries. Use SQL Server Network Library Configuration during or after
the Setup program to choose the server Net-Libraries to be activated.

For computers running Windows NT 4.0 or Windows 2000, the default server
Net-Libraries are:

  a.. TCP/IP Sockets.
  b.. Named Pipes.
For computers running Windows 98, the default server Net-Libraries are:

  a.. TCP/IP Sockets.
  b.. Shared Memory.
When you install SQL Server client utilities on a workstation, SQL Server
Setup installs TCP/IP as the default client protocol.

If most of the servers to which you will be connecting are not configured to
support the current default client protocol, you can change the default to
another protocol.

For more information about the SQL Server Net-Libraries and the network
protocols they support, see Communication Components.

SQL Server 2000 can use the Secure Sockets Layer (SSL) to encrypt all data
transmitted between an application computer and an instance of SQL Server on
a database computer. Both the client and the server computers must have the
proper certificates installed for SSL encryption to function.

Because the Shared Memory Net-Library is used only for intra-computer
communications, it is inherently secure and does not need encryption. For
more information, see Net-Library Encryption.

----------------------------------------------------------------------------
--------------------


Quote:> I need to run DTS to transfer a database on 6.5 to an identical database
on
> 7.0.  I am told that Named Pipes is not available in the environment that
> these server are located.

> I was told that I couldn't use the upgrade wizard to perform this copy
> because it requires named pipes.  Is the same true of DTS in that it
> requires named pipes?  If so - any alternative to copying the data (other
> than bcp)?

> Thanks in advance.


 
 
 

1. SQL 7 DTS using Named Pipes?

I have Sql 7 SP4 new install on a cluster. On Node A the active SQL node all
DTS connection to an external node fail with DBNMPNTW errors Sql server not
found. I can create an ODBC connection to this machine on Node A and can
open it in Query Analyzer on Node A. I do have an alias setup in Client
Network and TCP/IP is the Default Library. On Node B the DTS works fine. Any
ideas?

Thanks,
                Patrick

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