19 07, 2018

How to refresh Offline Address Book in Outlook

By |2018-07-19T15:03:21+00:00July 19th, 2018|Errors and fixes, Exchange, Powershell|0 Comments

Sometimes you need to refresh offline address book in Outook, especially when user's SMIME certificate was refreshed(some other user's of course) but your outlook keeps the old one even though download of new address book was issued from the menu. Updating Offline Address Book(OAB)  in cached mode can take up to 24 hours no matter [...]

17 07, 2018

How to convert System partition from MBR to GPT (EFI) on Windows 10 without loosing data – support for UEFI and SecureBoot

By |2018-07-17T12:45:51+00:00July 17th, 2018|Errors and fixes, Windows 10|0 Comments

Hello! In my previous post regarding conversion from MBR to GPT partition scheme I used third party tool to convert the data partition in Windows. This tutorial can be found here. Nowadays, Microsoft has released a tool called mbr2gpt. This tool can convert running OS, align partitions, move data if necessary without loosing data, boot errors [...]

11 07, 2017

How to block executables from APPDATA

By |2017-07-11T09:10:38+00:00July 11th, 2017|Active Directory, Windows Server|0 Comments

While searching for some useful GPOs I encountered very nice thread with clear and thorough explanation about how to restrict/whitelist locations and file types that can be executed in Windows OS using Group Policy Object. Commenter state that using this method he basically got rid of all threads in his environment and analysing his approach [...]

6 03, 2017

OCS Inventory NG 2.3 Complete install guide on Debian 8.7 Jessie

By |2017-05-07T22:16:46+00:00March 6th, 2017|How-To's, OCS Inventory NG|65 Comments

OCS Inventory NG 2.3 Complete installation guide on Debian with SSL and working deployment feature. After completing this guide you will have fully working OCS Inventory NG server. Building OCS Agent install is also covered, so you will be able to deploy it straight away!

18 05, 2016

How to update OCS-NG Inventory agent for Windows to 2.1.1.3

By |2016-12-22T21:35:09+00:00May 18th, 2016|OCS Inventory NG|5 Comments

Quick guide about upgrading ocs agent for Windows to newest version. This is tested in medium scale environment and working good. There are few catches in the update process so please read it carefully

10 05, 2016

How to debug Windows Crash Dump – BSOD

By |2016-12-22T21:35:09+00:00May 10th, 2016|Errors and fixes, Windows|0 Comments

So it happened, a serious Windows System Crash aka BSOD (Blue Screen Of Death). There may be hundreds of reasons why your Windows System has crashed but event logs just say that it crashed and wasn't shut down clean - obvious! We need to look a bit deeper in order to see what probably caused [...]

22 04, 2016

OCS-NG 2.2 server complete install guide on Debian Jessie 8.4

By |2017-03-27T22:10:39+00:00April 22nd, 2016|How-To's, OCS Inventory NG|52 Comments

AN UPDATED VERSION COVERING OCS-NG 2.3 OF THIS GUIDE CAN BE FOUND HERE In our previous part we have successfully installed an RC version of OCS-NG server. Now it's time to install a stable version of 2.2. There isn't much many differences between installation of the RC1 and Stable, thus this guide will be much [...]

22 04, 2016

How to set ntp server in Windows Server

By |2016-12-22T21:35:10+00:00April 22nd, 2016|Microsoft, Windows Server|0 Comments

When running an Active Directory environment based on Windows Server it is critical to have proper time synchronization in order to keep authentication going. Time difference larger than 5 minutes may result in authentication failures on clients and error event logs on Active Directory Domain Controller. Standard time.windows.com sometimes is not responding or can't be [...]