Sql Native Client - Can't reach by instance name



Hi there--

I'm connecting to SQL Server Express from MS Access via ADO on a
number of older workstations. Of three workstations, two connect just
fine with a connection string like this:
Provider=sqlncli;Network Library=DBMSSOCN;Initial Catalog=MyDb;Data
Source=server\sqlexpress;Integrated Security=SSPI

However, on one machine (W2K), the above does not work, but this does:
Provider=sqlncli;Network Library=DBMSSOCN;Initial Catalog=MyDb;Data
Source=server,2295;Integrated Security=SSPI

There appears to be a problem with getting the connection redirected
to the named instance. It seems like the native client driver should
be all I need for this to happen, but it ain't. Anyone know what's
missing here?

Thanks in advance for any help.

KC

.



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