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Informix Error -23636: Invalid coserver ID.

Cause and resolution

Invalid coserver ID.

The specified coserver ID is invalid. This error can occur with an onutil EBR block, logical-log backup, or restore command.

Use xctl onstat - to list the valid coserver IDs and retry the previous command with a valid coserver ID.

Oninit® Troubleshooting Guidance

Reasons / Common Causes

-23636 fires when an invalid coserver ID is used — per the official guidance, this can occur with onutil EBR block, logical-log backup, or restore commands.

  1. An invalid coserver ID, per the official guidance — the direct, only cause.
Solutions / Resolution
  1. Use xctl onstat - to list valid coserver IDs, per the official guidance, and retry with a valid ID.
Examples
Listing valid coserver IDs
$ xctl onstat -
Diagnostic Checks
  1. Run xctl onstat - to list valid coserver IDs, and correct the command.
Related Errors / Related Topics
  • -23603 — "Invalid session name." A related invalid-identifier error, for session names rather than coserver IDs.
  • -23633 — "The specified logfile does not exist." A related invalid-identifier error, for logstream/log IDs rather than coserver IDs.

An invalid coserver ID was used — check valid IDs via xctl onstat -.