Application objects describe the application to Azure AD and can be considered the definition of the application, allowing the service to know how to issue tokens to the application based…
Exchange 2019 CU10 OWA/ECP not working after July Security Update
After installing the Juli 2021 Exchange Security Update OWA and ECP may be broken. If you receive the following error message follow these article to fix it: In the Event…
PrintNightmare CVE-2021-34527 & CVE-2021-1675 Update
Last week I informed you about the CVE-2021-1675 (PrintNightmare).Here There is an update for this: Microsoft announced on Tuesday the release of an "out-of-band" fix for the "PrintNightmare" security vulnerability.The…
How to convert pfx to pem and via versa. The OpenSSL way
I am always asked how to handle the conversion of pfx, pem and key files.Here are a few commands for you: Convert PFX to combined PEMTo convert a PFX file…
Use Linux Container on Windows Server 2019
Today I had a customer request to run two linux containers under Windws Server 2019. Right now I havent deployed any containers under Windows - just Linux. So let's have…
Outlook can not connect to Exchange in Hybrid Szenario – Autodiscover issue
Outlook 2016 has prioritized Office 365 Autodiscover since November 2017. This leads to problems every now and then when Outlook incorrectly assumes that it is an Office 365 mailbox. This…
Windows Print Spooler Patch CVE-2021-1675 not working
There was an important security vulnerability in the Windows Print Spool reported on 6th of June 2021.On 8th of June Microsoft published a patch for all Operating Systems back to…