A fatal error occurred while creating a TLS client credential. The internal error state is 10013
If you have disabled the deprecated server and client protocols TLS 1.0 and TLS 1.1 on your Windows Server as…
SCCM (System Center Configuration Manager) slow or stucking Console/GUI
If you encounter issues with a permanent slow or stucking SCCM console, there is a good chance the reason for…
Microsoft Teams Direct Routing – Call Forwarding – AudioCodes Mediant VE SBC with DTAG SIP Trunk – Message Manipulation – Change displayed number from forwarded Calls
In case you forward inbound calls from Teams to an external phone number like your mobile phone, by default you…
Dell iDRAC RAC0225: Sending the test mail failed
If you configure Alerts on your Dell iDRAC over SMTP and get the following error on iDRAC 4.x versions and…
ACL , ACE , DACL, SACL, MAC and RBAC
In this post I want to summarize in a nutshell the terminologies which exist for controlling permissions on securable objects…
Let’s Encrypt certbot-auto depricated
In December 2020 and release 1.10.0, Let’s Encrypt had deprecated certbot-auto on Debian based systems including Ubuntu. In their release…
Set and Change the PowerShell default Working Directory
By default when you start a new PowerShell session, you will get directly to your user directory stored in the…
Azurite emulator – emulating Azure Blob, Queue and Table services in your local environment
The Azurite emulator for local Azure Storage development is well documented from Microsoft. Use the Azurite emulator for local Azure…
Asynchronous Programming in C#
In this post I want to summarize and collect some informations about Asynchronous Programming in C#. This topic is well…
Using a generic List with a custom data type in C#
In my previous post I described how to create an array with a custom data type we declared in a…