Article 24
I wish I had come across this brilliant piece of knowledge earlier.RFC 1925 was written in 1996, so long ago, but still 100% correct :)take a look (lazy ones can start reading from part 2):The Twelve...
View ArticleH3C stack ISSU issue
It is very nice to have switches connected in a virtual switch, where link aggregations can span different stack members. And very nice to manage many switches as one multi slot chassis also.However...
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Publishing Lync web services and mobility with UAG
One of the areas I'm interested in is Unified Communications based on MS Lync Server. It is very entertaining to do Lync with good knowledge of networking, because all SIP things, firewall things, QoS...
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Lync Server 2010 AntiVirus exclusions: an easy way to do it
During Lync health check process I was rightly pointed by fellow PFE Alexander Malkov, that I have to add  some exceptions to Microsoft Forefront Client Security (FCS) scanning list in order to be in...
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DirectAccess, UAG and direct printing
We all already know, that DirectAccess is a decent technology from Microsoft to provide instant remote access to corporate resources from outside of the network and at the same time making laptop "feel...
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Alcatel os6250 switches and radius authentication (for admins)
I like centralized authentication approach. For corporate workstation normally it can be archived by means of Active Directory which becomes better and better with every release of Windows...
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Windows Server 2012 LACP NIC teaming with H3C
I do know how to configure LACP teaming, so I always prefer to use"switch-assisted" (opposite to "switch independent") NIC redundancy for servers.To learn how to do NIC teaming using LACP (802.3ad)...
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First steps with Windows Server 2012 Core
They say core is much better, because it actually much smaller, thus requires less patching and rebooting.I'd like to agree, so mostly skipping encounters with core versions of Windows 2008 and Windows...
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IPv6 and SLAAC
IPv6 is coming our way and we have to learn how to manage it right :)If you think you will never ever need IPv6 in your internal network, take a look at Microsoft's DirectAccess solution. Very smart...
View ArticleWindows Server 2012 core screen resolution
Sometimes you need to change resolution for the Windows Server core edition. In Windows 2008 times the only way to go was to use registry tweaks.Nowadays however you can use two Powershell 3.0...
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Custom Event Viewer filters (for DirectAccess and NPS)
Windows Event Viewer (eventvwr.msc if you like to fire it up fast from Win+R menu) is very helpful when performing troubleshooting.However it is not always easy to find events related to the particular...
View ArticleResponse: 2e2: The Hindenburg of Cloud Providers & What It Means for Outsourcing
Glen Kemp (@ssl_boy) had a great post on Packet Pushers on 2e2 situation. I decided to comment on the subject here in my own blog.Public clouds are popular trend nowadays and author suggests they may...
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UAG SP3 installation notes
Service pack 3 for Forefront Unified Access Gateway 2010 (UAG) is out and is available for download.You can even find installation guidelines here (NLB in my case).However what is not mentioned in the...
View ArticleComware CLI tricks
Many of IT specialists are familiar with Cisco CLI.Some may also know CLI shortcuts to make navigation in 'black depressive screen' easier - Ethan had a great post on this subject some time ago.Many...
View ArticleWindows 8 metro apps and proxy tricks
Metro Apps (oh, I shouldn't call them Metro, sorry Microsoft but you named them first and then abandoned the name, but it was too late :) ) are still quite rare beasts, especially in corporate...
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.ova files and how to convert them to .vhd format
I'm full in SDN and Mininetnow (in fact I'm participating in Software Defined Networking course on Coursera led by +Nick Feamster)Â and I face some interesting problems on the way to knowledge.For...
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Lync Server 2013 and new internal certificates
Due to migration from old PKI infrastructure to the new one I decided to change certificates for my Lync Server 2013 infrastructure.What I was particularly interested in is do I need to reboot servers...
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Remote Desktop hardening issue
We all know and use RDP every day. Nowadays we can't imagine how we really managed servers before Windows Server 2000. I remember those times - it was hard. Sure there were some 3rd party solutions,...
View ArticleSnom provisioning in Lync Server 2013 environment
Snomphones are very good option if you are looking for feature-rich VoIP phones for Lync infrastructure.But it is not that easy to provision them, when you have more than several units. Snow is keen to...
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Away from Android towards Windows Phone 8.1 (already) and Lumia 1020
Being a geek sometimes requires you to try many different things to form your own opinion on a subject.I was looking at Lumia 1020 because of it's The Camera (and if you're looking for my review of...
View ArticleDirectAccess from Windows 7 to WS2012R2 and 0x80092013 error
(This is a quick note here, but it took me quite a time to understand the root of the problem)I'm in the process of migration project from UAG DirectAccess (which is officially at the end of the road)...
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Preparing to configure Windows... and how to help your server to restart
Let us be honest: sometimes you have to patch your servers :)And sometimes you are doing it in the wrong day. May be your karma is wrong, or may be stars were not aligned, or may be you hasn't been...
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Static IPv6 Address resource for Windows Failover Cluster
When you create a Network Name resource in Failover Cluster Manager it offers you an option to add IP and IPv6 addresses. You can configure static IPv4 address fine, but you can't do that for...
View Articleon Vital Signs and Vital Signs Advanced workshops
Recently I undergone two Microsoft workshops - Vital Signs and Vital Signs Advanced.I'd like to share my impressions here.For starters Vital Signs is not an easy workshop like "whats new in Windows 8"...
View Articlestatus update
I've been rather quiet lately and there are personal reasons for that.However I'm still working in IT, I've been to TechEd Europe 2014 recently, got a lot of new ideas and knowledge.However there are...
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