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Welcome to my blog! If you are looking for guidance, advice and tips for IT, you're right. You will find articles primarily on Microsoft products and technologies - operating systems, servers, virtualization, network management, but also the cloud.

October 2017
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Welcome to my blog! If you are looking for guidance, advice and tips for IT, you're right. You will find articles primarily on Microsoft products and technologies - operating systems, servers, virtualization, network management, but also the cloud.


DMARC validation in Office 365

DMARC is together with SPF and DKIM another technology protecting you against phishing and spoofing. Implementing DMARC with SPF and DKIM provides additional layer of protection. This validation uses DNS records where are specified mail servers authorized for sending emails from your domain. Differences between SPF and DMARC The [...]

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How to allow Hyper-V live migrations

Live migrations allow to migrate running virtual servers from one Hyper-V host to another. Live migrations are not load balancing nor failover clustering, it’s just moving a VM from one host to another requested by admin for example when you buy another host and you want to distribute the load. How to allow Hyper-V live migrations [...]

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How to configure SSTP VPN on Windows Server

SSTP VPN is modern and secure VPN which allows you to connect even through some firewalls because it uses TCP port 443 which is also for secure http (https). And moreover this VPN is very secure, much more than very popular PPTP which is currently not secure at all. Configure SSTP VPN on Windows Server is very simple and fast. You need [...]

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