Restore deleted Microsoft 365 Hybrid User
If you need to restore a Microsoft 365 hybrid user account which was synced from on-premises Active Directory to Azure…
Upgrade Windows Server from Standard to Datacenter on the fly
In case you have installed the Windows Server 2016 Standard Edition and now want to upgrade to the Datacenter Edition,…
Deleting Windows Folder recursive will failed with Access Denied
Sometimes you encounter problems when trying to delete a folder and its subfolders in Windows (NTFS) and getting the Access…
Licensing mode for the Remote Desktop Session Host is not configured.
If you configure the Remote Desktop Services (RDS) and getting the following warning message Licensing mode for the Remote Desktop…
Adjust a Date from Past or Future on Windows Server permanently
In case you need to adjust on your Windows Server a date different from the actual date and time, for…
Enable External Users for booking and adding Exchange Room Calendars
If you want to allow external users for booking and adding your Exchange room calendars in Outlook, you have to…
Install Ubuntu as Hyper-V Generation 2 Virtual Machine
In order to install Ubuntu as a Generation 2 Hyper-V virtual machine, you have to switch the Secure Boot Template…
Bypass Exchange Room Mailbox Delegation for specific Users
You can enable in Exchange delegation for booking requests against room mailboxes as follows. In this case each time a…
pfSense Boot Loop after Power Outage
A few weeks ago I installed pfSense 2.5.2 on a kettop Mi4005L Mini PC. This Mini PC uses an Aptio…
SSH Session Timeout – TCP Keepalive
In case your ssh connection is permanently disconnected in idle state, you can enable TCP-Keepalive either on the ssh server…
