1) Follow the PPM 15.7 XOG client installation steps for Windows.
See "XOG Client Installation."https://techdocs.broadcom.com/content/broadcom/techdocs/us/en/ca-enterprise-software/business-management/clarity-project-and-portfolio-management-ppm-on-premise/15-7/reference/xml-open-gateway-xog-development/xog-client-installation.html
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Download and Install the XOG Client
Follow these steps:
1. Click Administration, General Settings, Client Downloads.
2. For the Windows operating system:
a) Click the Windows Installer Download link.
b) Save the XOG.exe file to a directory on your local computer.
c) Run the XOG.exe file and follow the on-screen instructions.
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2) After running XOG.exe, the "CA PPM XML Open Gateway" InstallShield Wizard for XOG comes up. Choose, Next to move through the Welcome screen, Next to accept the default install of CA PPM XML Open Gateway and at this point the error may come up.