How to configure LAPS

Hello everyone, In today’s modern IT world, security is hot topic. All of us are witnesses of many security breaches on daily basis, and most of them are initiated with credentials compromising, especially local administrator account. In this post, I will tell what is LAPS and how you can configure LAPS in order to protect…

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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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How to install and configure DHCP – Basic

One of the most important network services is DHCP. Dynamic Host Configuration Protocol (DHCP) is a client/server protocol which allows hosts to obtain necessary TCP/IP configuration information from a DHCP server, with IP address and other related configuration information (subnet mask, default gateway, name servers). From Microsoft Windows Server 2003 operating system, DHCP Server service is standard…

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Manually clearing ConflictAndDeleted DFRS content

If you are ever in Windows Administrator career used DFRS, you must have had “problems” with ConfilicAndDeleted folder. If that folder filled, you could have potential problems with in-time replication between servers. You can do that on two ways manually, and complete process will be finished in few minutes.   Emptying out the ConflictAndDeleted folder without shutting…

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How to completely disable IPv6

Starting from Vista / Server 2008, Microsoft includes native support for IPv6 and is enabled by default. But sometimes you don’t need IPv6, and want to completely disable IPv6. The proper way to disable IPv6 is to disable via the registry. In registry editor (regedit), navigate to HKLM\System\CurrentControlSet\Services\TCPIP6\Parameters. Create new DWORD (32-bit) value with name DisabledComponents and add…

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How to upgrade Windows 2012 R2 evaluation to full version?

Although is Windows Server 2012 R2 “old” OS, before few weeks I had to license evaluation version of Windows Server 2012 R2. Process is very simple, but change the license key requires use of CLI instead GUI. By Microsoft, that is not “just” licensing, that is upgrade to Windows Server 2012 R2. At the first…

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