I used SQL Server/Setup/Change Network Support to add Multiprotocol
Support to SQL Server 6.5(upgraded
with SP3). I configured Client Configuration Utility to use Multiprotocol
for this Server. When I tried to register
this server, I got an error: Unable to Connect to Server (reason:
[DB-library] Unable to connect. SQL Server is
unavailable or does not exist. General network error. In Event Viewer (NT
Server) I got a message:
Error 17832 Sev. 18 State 0 Unable to read login packet(s).