Xqe-jdb-0001 Problem Establishing Connection. Please Check The Database Server Jun 2026

Use the same credentials from a different tool (like DBeaver, SQL Developer, or psql ). If that fails, the issue is on the database side—reset the password or check if the account is locked.

A very specific scenario causes this error frequently during development:

: Some versions fail if the user's locale is not set to English; try switching your locale settings to see if it clears the block. Test Connectivity : Log into Cognos Administration , go to the Configuration