Data Protection Advisor: Upgrading on Windows Fails with .iawin32.dll Not Found.

Summary: Upgrading DPA on a Windows server fails with a missing iawin32.dll file. The DPA version is not relevant.

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Symptoms

Upgrading DPA on a Windows server fails with a missing library file.

Application Exception Details: "...iawin32.dll not found":

error output

Operating System (OS): Windows 2025 64-bit server

The installer is looking for a file called iawin32.dll. The temp location of the installer directory path shows that the file is present.

Cause

The cause of the problem is that any version of DPA is not qualified with Windows 2025. The latest DPA version 19.12 SP1 is not yet supported. This means previous versions are not qualified either.

Reference: DPA 19.12 SP1 Compatibility Guide on E-Lab Navigator
DPA_19_12_SP1.pdf

Resolution

The following workaround can be applied:

  1. Set the environment variable to be Windows 2019:

C:\inst> SET JAVA_TOOL_OPTION=-Dos.name=”Windows 2019”

  1. Run the upgrade again.

Affected Products

Data Protection Advisor
Article Properties
Article Number: 000361080
Article Type: Solution
Last Modified: 04 Dec 2025
Version:  2
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