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  • How to FIX the error : EXE files not running on windows

    How to FIX the error : EXE files not running on windows

    When all .exe files won't run in Windows, it's often due to malware, corrupted registry...
  • How to Un-Install software from Windows Safe Mode

    How to Un-Install software from Windows Safe Mode

    Sometimes a computer does not boot properly due to some specific software installed on the...
  • Windows Server 2012 R2 can not boot on Hyper-v Windows server 2025 error INACCESSIBLE_BOOT_DEVICE

    Windows Server 2012 R2 can not boot on Hyper-v Windows server 2025 error INACCESSIBLE_BOOT_DEVICE

    🛠 Fix Windows Server 2012 R2 VM Boot Error 0x7B on Hyper-V 2025 If you've...
  • Graylog Setup Guide for Multiple Postfix MTA Servers on AlmaLinux

    Graylog Setup Guide for Multiple Postfix MTA Servers on AlmaLinux

    Architecture Overview This guide sets up: 1 Central Graylog Server (AlmaLinux) - for log collection...
  • Unable to connect to LDAP on Windows Server 2025 Domain Controller from Fortigate

    Unable to connect to LDAP on Windows Server 2025 Domain Controller from Fortigate

    After modifying the Domain Controller Policy like below, it works now both with SSL disabled...

Exchange OWA and ECP not working and you get error about Exchange Server OAuth certificate is expired

April 2, 2022 admin 0 Microsoft Exchange 2010, Microsoft Exchange 2013, Microsoft Exchange 2016, Tutorials, Windows, Windows server,

When trying to log in on Exchange OWA or ECP you get error about not...

How to enable GUI Access on Fortigate / VM Firewall Through CLI console

March 27, 2022 admin 0 Linux, Operating Systems, Tech, Tutorials, Uncategorized,

When installing Fortigate-VM you will need to start the settings from CLI in order to...

How To Create Domain Certificate Tample

March 9, 2022 admin 0 Security, Tech, Tutorials, Windows, Windows server,

When in need to issue a domain certificate for web application or what ever usage...

How to Block the Windows 11 Upgrade From Group Policy

February 23, 2022 admin 0 Tutorials, Windows, Windows server,

Microsoft has made upgrading to windows 11 through Windows Update as a feature update, yet...

Outlook prompts for password and doesn’t use Modern Authentication to connect to Office 365

February 16, 2022 admin 0 Office 365, Software, Tech, Tutorials, Windows, Windows server,

Symptoms Consider the following scenarios. Scenario 1: Microsoft Outlook connects to your primary mailbox in...

Certificate Authority error “Template information could not be loaded”

February 16, 2022 admin 14 Tech, Tutorials, Windows, Windows server,

When opening the Certificate Authority Manager, under Certificate tamp lets you get error like "Template...

Windows 11 ‘This app has been blocked for your protection’ error

February 15, 2022 admin 0 Operating Systems, Tech, Tutorials, Windows,

Windows 11 have enhanced significantly the way Microsoft defender protect windows from malicious application, although...

How To prevent Mimikatz From Reviling passwords

January 28, 2022 admin 0 Windows,

Mimikatz is a free application started in 2007 as a project finding weakness in microsoft...

How to use DISM to Check and Repair Windows Image from recovery console

January 18, 2022 admin 0 Operating Systems, Tutorials, Windows, Windows server,

Often there a situation of operating system failed to boot because of sudden power lost...

How To Merge Hyper-V disk and Remove Snapshot

December 22, 2021 admin 1 Hyper-v, Tutorials, Virtualization, Windows, Windows server,

Hyper-v can create checkpoint / Snapshot in many ways, sometime removing them can be a...

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