Category: Windows Server

All about Windows Servers

How to remove certificate warning error after installing Exchange Server 2016

Last month when we installed the Exchange Server 2016 in our company and migrated from the previous Exchange Server 2010, then some of our users started complaining that they are getting an error related to the SSL Certificate in the Outlook.

The error was:

“The Security certificate was issued by a company you have not chosen to trust. View the certificate to determine whether you want to trust the certifying authority.”

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Create Domain Controller using PowerShell Direct

I have a new Hyper-V server for my labs and I need to create a new virtual environment as soon as possible.

After I finished installing Windows patches and other software, I make an image using sysprep.

Then, I created a new virtual machine using my new Windows 2019 image.

I chose to use PowerShell Direct to create a new Domain Controller for my new virtual infrastructure.

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Upgrade to Windows Server 2019

Pre-Upgrade

Upgrade path:

Windows Server 2008 R2 can be upgraded to Windows Server 2019 in three consecutive upgrade processes – first by upgrading to Windows Server 2012, and then upgrading Windows Server 2012 to Windows Server 2016, and then upgrading from Windows Server 2016 to Windows Server 2019.

Support:

In-place Upgrade is supported for Windows Server versions 2008 R2, 2012 R2 and 2016 on physical hardware, and in Virtual Machines. Public and private cloud companies also support In-place Upgrade of Windows Server versions 2008 R2, 2012 and 2016 Virtual Machines – check with your cloud provider.

Alternative:

Migrate (re-deploy) applications and data on a clean install of Windows Server 2019.

Limitations:

Windows Servers configured to “Boot from VHD” cannot be upgraded using In-place Upgrade.

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What’s new in version 1810 of Configuration Manager current branch

Applies to: System Center Configuration Manager (Current Branch)

Update 1810 for Configuration Manager current branch is available as an in-console update. Apply this update on sites that run version 1710, 1802, or 1806.

Always review the latest checklist for installing this update. For more information, see Checklist for installing update 1810. After you update a site, also review the Post-update checklist.

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What’s new in Windows Server 2016 Hyper-V – 65th autoexec.gr Community Event

On 30th of March, at the monthly community event of Autoexec.gr I had the pleasure as a proud member to talk about what’s new in Windows Server 2016 Hyper-V.

So what’s changed?

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What’s New in Windows Server 2016 Technical Preview 5: Hyper-V Features

Microsoft recently released the latest public preview of Windows Server 2016 and Hyper-V Server 2016 (the free version). There are lots of new Hyper-V features to evaluate, learn, and use.

If I had to give you a theme to this release, it would be cloud. Much of what is in the 2016 release is geared toward building private, hosted, or public cloud, with a lot of the management being offered either by Azure or Microsoft Azure Stack. When evaluating WS2016, you’ll need to consider: Continue reading “What’s New in Windows Server 2016 Technical Preview 5: Hyper-V Features”