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Informix Error -25596: The INFORMIXSERVER value is not listed in the sqlhosts file or the Registry.

Cause and resolution

The INFORMIXSERVER value is not listed in the sqlhosts file or the Registry.

The default database server name that the INFORMIXSERVER environment variable specifies must be a valid database server name in the file $INFORMIXDIR/etc/sqlhosts on UNIX or the registry on Windows. Check that the specified server is listed in the sqlhosts file or the registry.

Oninit® Troubleshooting Guidance

Reasons / Common Causes

-25596 fires when the server name INFORMIXSERVER specifies isn't a valid entry in sqlhosts (or the Windows registry) — per the official guidance.

  1. INFORMIXSERVER naming a server absent from $INFORMIXDIR/etc/sqlhosts (UNIX) or the registry (Windows), per the official guidance — the direct, only cause.
Solutions / Resolution
  1. Check that the server INFORMIXSERVER specifies is listed in sqlhosts or the registry, per the official guidance.
Examples
N/A

No specific triggering statement is documented beyond an INFORMIXSERVER value missing from sqlhosts/the registry.

Diagnostic Checks
  1. Check INFORMIXSERVER's value against sqlhosts (or the registry on Windows), and add the missing entry or correct the variable.
Related Errors / Related Topics
  • -25555 — "Server server-name is not listed as a dbserver name in sqlhosts." The general form of this missing-entry error, not specific to INFORMIXSERVER.

INFORMIXSERVER named a server not listed in sqlhosts/the registry — add the entry or correct the variable.