Resolve PostgreSQL I/O error during User Configuration Wizard

Title

When running the User Configuration Wizard, the process may fail with the following error message:

[ERROR][org.apache.jackrabbit.core.util.db.ConnectionHelper$RetryManager] Failed to execute SQL (stacktrace on DEBUG log level): org.postgresql.util.PSQLException: An I/O error occurred while sending to the backend.

This error may occur if the required Microsoft Visual C++ Runtime components are missing from the system.

Solution

Download and install the latest supported Visual C++ Redistributables from Microsoft:
Latest Supported Visual C++ Downloads – Microsoft
Restart your system after installation to apply the changes.
Re-run the User Configuration Wizard to confirm the process completes successfully.

Outcome

After installing the Visual C++ Runtimes and restarting the system, the error should no longer occur, and the User Configuration Wizard should complete successfully.

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Case id: 00001065