Informix Error -41020: Connection error.

Reasons / Common Causes

-41020 fires when too many applications are active under Windows — per the official guidance.

1. Too many applications active simultaneously under Windows, per the official guidance — the direct, only cause.

Solutions / Resolution

1. Close some running applications and retry, per the official guidance.

Examples

N/A

No specific triggering statement is documented beyond too many active Windows applications.

Diagnostic Checks

1. Check the number of active applications, and close some before retrying the connection.

Related Errors / Related Topics

• -41021 — "Connection Busy." A related connection-state error, on a request already in progress rather than too many active applications.

Too many applications were active under Windows — close some and retry.