IT Archives - Don Zalmrol

Entra ID inactive guest account cleanup with exclusion groups script

By Laurens Gregoir Tuesday 18 November 2025ITAzure AD, Entra ID, Guest Accounts, Microsoft, PowershellNo Comments

The script below will help you to automate your inactive guest account cleanups in Entra ID (Azure AD). The script handles nested groups in your main YOURGROUPNAMEHERE group, it will exclude any user or group it finds. The reason why adding your users to groups is to work with Entra…

How to create and manage the Central Store for Group Policy Administrative Templates in Windows server

By Laurens Gregoir Thursday 31 October 2024ITActive Directory, Microsoft, PowershellNo Comments

Download the latest ADMX version from MS → Create and manage Central Store - Windows Client Unpack it on on your domain server or preferably management server Copy only; the *.admx files from the root folder to a new folder called “filtered” the en-us (and/or any other language file you…

Proxmox guest drivers

By Laurens Gregoir Friday 11 October 2024ITLinux, Proxmox, WindowsNo Comments

For a Proxmox guest, whether its Windows or Linux, the VirtIO and Qemu-system drivers need to be installed. Full detailed guide: https://pve.proxmox.com/wiki/Windows_VirtIO_Drivers Windows Download the latest "virtio-win-XXX" package from Fedora Install the "virtio-win-gt-x64.msi" driver Install the (optional) "virtio-win-guest-tools.exe" driver Reboot the guest Linux Execute the commands below # Install the…

How to create a certificate request for Exchange 2019

By Laurens Gregoir Friday 11 October 2024ITExchange 2019, Microsoft, PowershellNo Comments

Change the script below and you'll have a signed certificate in no time for Exchange 2019. This also works for Exchange 2016, but there you can still use the GUI. # Vars $serverName = "YourServerName" $friendlyName = "FriendlyName" $exportable = "$True | $False" $subjectName = "c=COUNTRY, s=STATE, l=CITY, o=ORGANIZATION, ou=DEPARTMENT,…