Troubleshooting problems when starting an InfoSphere DataStage and QualityStage® client

If you cannot start your client and connect to the services tier (domain), the problem might be due to an invalid host name or invalid port, a startup script error, or incorrect user credentials.

The following table gives a list of the possible error messages, and tells you where to look for solutions.
Table 1. Error messages when starting an InfoSphere DataStage and QualityStage client
Error message Related topic
Failed to authenticate the current user against the selected 
Domain: Server [servername] not found.
Failure to connect to services tier: invalid host name
Failed to authenticate the current user against the selected Domain: 
Could not connect to server [servername] on port [portnumber].
Failure to connect to services tier: invalid port
Failed to authenticate the current user against the selected Domain: 
Invalid user name (username) or password.
Cannot authenticate user