Install O365 C2R - Remove Office 2016 Pro Failure

i'm trying to configure a deployment of Office 365 C2R which should uninstall any earlier version of Office (2016 is currently installed).  I created a batch to kick off OPPTransition.exe and when it runs,  it show "Removing Office...".  Then when it gets to "Installing.." it fails.  It doesn't uninstall Office 2016.  Looking at the logs,  it gives an error below:  Has anyone run into this?  The original install was through KACE.

"12/13/2018 12:03:12.015    SETUP (0x2790)    0x2984        Click-To-Run    anhmp    Medium    Prereq::ShowPrereqFailure: A Prereq check has failed. We found a problem!  We're sorry, Office Click-to-Run installer encountered a problem because you have these Windows Installer based Office programs installed on your computer:   Microsoft Office Professional Plus 2016  Click-to-Run and Windows Installer editions of Office programs don't get along for this version, so you can only have one type installed at a time. Please try installing the Windows Installer edition of Office instead, or uninstall your other Windows Installer based Office programs and try this installation again.  https://officeredir.microsoft.com/r/rlidOfficeWebHelp?p1=OCSAC2RClickToRun&ver=16&clid=1033&helpid=%2212-BOOTSTRAPPER_PREREQ-SxS_C2R_over_MSI%22&app=webview   
12/13/2018 12:03:12.015    SETUP (0x2790)    0x2984        Click-To-Run    aoh88    Medium    RunPrereqs::HandleStateAction Prereq check has failed.   "

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Answers (1)

Posted by: rileyz 4 years ago
Red Belt

Hah! And you trust them to remove everything, and correctly? 

Try this, its a scrub tool from the peoples of MS. Would recommend to use with PSAppDeployToolkit, as you can detect running process and stop the user from start Winword etc during the upgrade, has funky UI interface for users too. Scrub tool is awesome, literally..scrubs..everything off.


  • I am working on this same issue to uninstall Office 2016 and install O365. Has anyone figured out how to run the Office Scrub via an administrator script with the "-Remove2016Installs $true" arguments? - AAnschutz 4 years ago
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