My Oracle Support Banner

E-DPK: While Installing PUM 9.2 PI 23 on Windows 2012 Server Native OS, The Installation Aborts - 'cannot concatenate 'str' and 'NoneType' objects' (Doc ID 2295576.1)

Last updated on JULY 22, 2020

Applies to:

PeopleSoft Enterprise PT PeopleTools - Version 8.56 and later
Information in this document applies to any platform.


While installing PUM 9.2 PI 23 on Windows 2012 server using Native OS installation, the installation aborts before extracting the DPK.

Starting the PeopleSoft Environment Setup Process:

Validating User Arguments: [ OK ]
Validating PeopleSoft Supported Platform: [ OK ]

cannot concatenate 'str' and 'NoneType' objects

Exiting the PeopleSoft environment setup process.

The issue can be reproduced at will with the following steps:

1. Downloading the PeopleSoft Update Image DPK zip files to the DPK_INSTALL directory

2. "Extract the first zip file (

3. Open a command prompt with Run as Administrator.

4. Go to the DPK_INSTALL\setup directory and run the script using the following command: psft-dpk-setup.bat




To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.