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Windows

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A number of emails failed to be processed by GFI MailEssentials

A number of emails failed to be processed by GFI MailEssentials

Recently in not really long time one of our Clients reported that GFI Mail Essentials started reporting that a number of…

antispamexchange 2013exchange 2016gfigfi antispamgfi mail essentials
Active Directory Domain Services could not replicate the directory partition – The replication operation encountered a database error

Active Directory Domain Services could not replicate the directory partition – The replication operation encountered a database error

If you ever encounter an error while trying to create a new domain within a forest saying, “The replication operation encountered a databas…

active directorydcdiagdfsdomainforestforest replication
Active Directory – How to track down why and where the user account was locked out

Active Directory – How to track down why and where the user account was locked out

I’ve been working with Windows Events for a while now. One of the things I did to help me diagnose problems and reporting on Windows Events…

active directoryevent viewerget-eventsget-wineventpowershellpseventviewer
Add Google Chrome mobile bookmarks into Bookmarks Bar

Add Google Chrome mobile bookmarks into Bookmarks Bar

If you rely on Chrome bookmark sync between desktop and mobile, the Mobile bookmarks folder can feel buried, but there are a few practical…

bookmarksbookmarks barbrowsergoogle chromemobile bookmarksmobile browser
Adding user to local Administrators group in multiple languages

Adding user to local Administrators group in multiple languages

Everyone now and then, there comes a moment you need to add a user into Administrators group on each computer…

administratorspowershellscripts
Azure Agent – Where did my space go?

Azure Agent – Where did my space go?

If a Windows Azure VM suddenly loses disk space and Explorer does not explain it, the Azure guest agent and its logs under C:\WindowsAzure…

azureAzure AgentTreeSizewindowsWindows Azure
CollectGuestLogs.exe – High Disk Usage on Azure VM

CollectGuestLogs.exe – High Disk Usage on Azure VM

If CollectGuestLogs.exe is hammering disk on an Azure VM, check the Azure Guest Agent log-collection behavior and reduce that workload befo…

azureazure vmcollectguestlogs
Create a local user or administrator account in Windows using PowerShell

Create a local user or administrator account in Windows using PowerShell

Create a local Windows user or administrator with PowerShell, handle localized Administrators groups, and prepare the account for LAPS-mana…

administratorgpopowershell
Delegating Active Directory attribute physicalDeliveryOfficeName

Delegating Active Directory attribute physicalDeliveryOfficeName

Being responsible for Active Directory you’re often tasked with fairly simple task of delegating permissions for user and groups. After…

active directoryattributesphysicalDeliveryOfficeNamewindows 2012windows 2012 r2
Difference between GetTempFileName() and GetRandomFileName() that got my ass kicked

Difference between GetTempFileName() and GetRandomFileName() that got my ass kicked

Today’s story is about me making assumptions on how things work based on the method’s name. As the blog post says, I want to focus on two s…

.netc#powershell
Easy way to connect to FTPS and SFTP using PowerShell

Easy way to connect to FTPS and SFTP using PowerShell

FTPS and SFTP are two ways to send and receive files from remote sources. While the name suggests both do the same thing, those are differe…

ftpftpspowershellsftpsshtransferetto
Encrypting and decrypting PGP using PowerShell

Encrypting and decrypting PGP using PowerShell

Some time ago, I decided that having an easy-to-use PGP PowerShell module is a way to kill my boredom. Four months have passed, and I decid…

gpgpgppowershellwindows
Environment Variables in Group Policy preferences

Environment Variables in Group Policy preferences

Today our customer asked us to configure a group policy for multiple users on one of the servers. While standard…

gpo environmentgpo preferencesgroup policygroup policy environment
Get-EventLog shows wrong maximum size of event logs

Get-EventLog shows wrong maximum size of event logs

If Get-EventLog and older WMI queries show misleading maximum log size values, Get-WinEvent can return the event log metadata more accurate…

eventevent idevent logsevent viewerget-eventlogget-winevent
Get-EventsLibrary.ps1 – Monitoring Events PowerShell

Get-EventsLibrary.ps1 – Monitoring Events PowerShell

This event library (Get-EventsLibrary.ps1) is PowerShell script that parses Security (mostly) logs on Domain Controllers. It has few report…

active directoryaddomain controllerget-eventsmonitoringpowershell
Granting “Logon as a batch job” permission for Task Scheduler to work

Granting “Logon as a batch job” permission for Task Scheduler to work

If a scheduled task fails under a service or domain account, check whether the account has the Log on as a batch job right and whether Grou…

batch jobevent id 4625eventstasktask scheduler
How to change DELL iDRAC password remotely

How to change DELL iDRAC password remotely

Recently we had to setup BitLocker encryption on our customers Hyper-V hosts. Since BitLocker requires typing of password before system is…

idracidrac 6idrac 7password
How to change your own expired password when you can’t login to RDP

How to change your own expired password when you can’t login to RDP

I must admit that it was a bit embarrassing to see my Administrator password expired when I tried to log in as Domain Admin to Domain Contr…

expired passwordpowershellrdcrdpremote desktop connectionremote desktop protocol
How to detect rogue DHCP server?

How to detect rogue DHCP server?

Recently one of our Clients complained that printers are not printing and are shown offline on computers. Since the client has Windows…

detect dhcpdhcp servermicrosoft dhcprogue dhcp server
How to encrypt Hyper-V host with Bitlocker on Windows 2012

How to encrypt Hyper-V host with Bitlocker on Windows 2012

Step-by-step guide to encrypting a Windows Server 2012 Hyper-V host with BitLocker to better protect virtual machines and host data at rest.

bitlockerhyper-vwindows server