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

Ensure the Cognos service account has sufficient permissions to access the database and the local temp folders used by the query engine.

Check if there is enough disk space on the Cognos server to write temporary data files. Ensure the Cognos service account has sufficient permissions

: If your database server requires an SSL connection but the Cognos data server connection is still pointed at a non-SSL port, the XQE engine will reject the connection. Ensure the Cognos service account has sufficient permissions

Navigate to -> Configuration -> Data Source Connections . Ensure the Cognos service account has sufficient permissions