RDP connection issue with patched / unpatched clients

Hello everyone, If you a fan of updating systems, you probably have (or will have) issue with RDP connecting to some (or many) servers. Error is pretty stressful, because everything was fine before update … With the release of the March 2018 Security bulletin, there was a fix that specifically addressed a CredSSP, “Remote Code…

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SSO with ADFS for Office 365 / Part III

Hello again, Once when you have installed and configured ADFS and ADFS proxy, you can start with configuring Office 365 for SSO. This task is final in configuring SSO with ADFS for Office 365. If you want to finish SSO implementation successful, you need to Install Azure Active Directory module (I like to install on…

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How to create custom name self signed certificate using PowerShell

Hello, Few days ago, one of my clients start with implementation of ASP.NET application in three different environment (Dev, QA and Prod). Their request was pretty same as usual, except one condition. They want self-signed SSL certificate on IIS server with custom name for each application. I said “OK”, but when I tried to create…

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SSO with ADFS for Office 365 / Part II

Let’s continue, In previous post, I showed you how to install and configure ADFS role on Windows Server 2012 R2. Now is time to briefly describe why we need ADFS proxy and how to install and configure Web Application Proxy as ADFS proxy. If you want to make ADFS infrastructure available to the Internet in…

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SSO with ADFS for Office 365 / Part I

Hello everyone, During last year, my team had a lot of Office 365 implementation and migration. Although Office 365 has a lot of services, and we can spend so many time in discussing and explaining their functionalities, I decided to describe and show you how to implement Single Sign On (SSO) for your Office 365…

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Problem with objectGUID and ImmutableID

Hello, If you have ever configured Office 365 and AD Connect in order to configure Hybrid environment, you know that is a pretty easy process. Simply follow AD Connect wizard and job will be done very quickly. By default, AD Connect will use UPN and and match or create user in Office 365. Behind the…

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Exchange Receive Connectors

Hello everyone, So many times, people ask me about connectors in Exchange 2013 / 2016. Even thought topic is not so complicated, it is a very important to know how Exchange connectors works, especially receive connectors. I will try to explain you that in short lines. Exchange 2016 in multi-role server. Unlike previous versions, all…

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Azure – FTP on Ubuntu machine

Hello follows, It’s time to start talking about Microsoft Azure, cloud computing service created by Microsoft for building, testing, deploying, and managing applications . . . A lot of Azure services will be covered in this “Tech Trainer Azure series”, and for today I decided to explain how to configure FTP on Ubuntu machine on…

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Office 365 – Mail and Calendar folder permission

Every time when our clients move to Office 365, especially if them previously had local Exchange infrastructure, the most help desk calls are related to access to shared calendars or mailboxes. For that task is very important to know which permissions exist and what is allowed with that permissions.   Mail folder permissions: Owner –…

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