SharePoint

Unable to run SharePoint 2019 installer when Office 365 is installed on the same machine

I recently spend some days having fun with good old on premise software and it really makes one appreciate infra as a code and provisioning everything in the cloud, fast. 🙂 The problem is that most of the vendors of on prem software have more focus on introducing their cloud offerings and do not want Unable to run SharePoint 2019 installer when Office 365 is installed on the same machine

New-SPAppManagementServiceApplication : A SharePoint database named XYZ already exists.

I was configuring SharePoint app catalog service applications the other day using my old scripts for that, and there is one problem I often see when using PowerShell scripts for configuring SharePoint: those work much better as they save your time you may spend on wading through cumbersome GUI, but in case when you need New-SPAppManagementServiceApplication : A SharePoint database named XYZ already exists.