Unable to Connect to IBM DB2 with ODBC and it shows error message "SQLAllocHandle failed at SQL_HANDLE_ENV."

Issues
#1

Problem: Unable to Connect to IBM DB2

When attempting to connect to IBM DB2, you may encounter the following error:

SQLAllocHandle failed at SQL_HANDLE_ENV.

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Solution: Set Environment Variable

This error can occur due to a missing or incorrect character encoding setting. You can resolve it by setting the DB2CODEPAGE environment variable as follows:

Steps

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  1. Click the “＋” button next to the script panel to create a new script.
    Name it something like “IBM DB2” for clarity.

  2. Enter the following line of code, then click the “Run” button:

    Sys.setenv(DB2CODEPAGE = "1208")

  3. After confirming the script runs successfully, try connecting to the database again.

Environment Variable Script

Note

DB2CODEPAGE=1208 specifies UTF-8 encoding. If your database uses a different code page, you may need to adjust this value accordingly.