Posted by Erland Sommarskog on 03/14/06 01:00

(lourivalsjr@gmail.com) writes:
> i have SQL 2000 and 2005 on same machine(with different intance names,
> of course), my laptop - XP with SP2. The 2005 works fine but i can't
> connect on SQL 2000. All the the SQL services are started.
>
> Any idea? Have i to reinstall 2000?

Exactly which service-pack level of SQL 2000 do you have? You can view
this on the first line of
C:\Program Files\Microsoft SQL Server\MSSQL\LOG\ERRORLOG
(if this is the instance directory for SQL 2000.)

I believe you need at least SP3 (8.00.760 to run in parallel with SQL 2005.)

Another thing to try is to open the Server and Client Network Utilities of
SQL 2000, and make sure that both use TCP/IP. For local connections,
shared memory is the default, but if it for some reason does not work, you
can try TCP/IP.

--
Erland Sommarskog, SQL Server MVP, esquel@sommarskog.se

Books Online for SQL Server 2005 at
http://www.microsoft.com/technet/prodtechnol/sql/2005/downloads/books.mspx
Books Online for SQL Server 2000 at
http://www.microsoft.com/sql/prodinfo/previousversions/books.mspx

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