Windows

Home / Windows

Using Powershell To Get User Last Logon Date

As an Active Directory Administrator, determining the date that a user last logged onto the network could be important at some point. If you have access to the Attribute Editor in your Active Directory tools, you can look for the LastLogonDate attribute. The other option is to use Powershell, and there are two methods to [...]

By | 2017-08-17T11:47:25+00:00 August 17th, 2017|Categories: Windows|Tags: , , , , |0 Comments

Restore Missing or Invalid Root Certificates on Windows

Microsoft Windows comes pre-installed with Trusted Root Authority certificates. These certificates are used across Windows and browsers to verify the identity of trusted computers and websites. If for some reason these certificates get deleted, corrupted, or out-dated, you'll start to get certificate warnings with no real indication of where the problem is. The way to [...]

By | 2017-06-29T15:52:28+00:00 June 29th, 2017|Categories: Windows|Tags: , , , , , |0 Comments

NMap NSE Script To Detect #WannaCry And #Petya MS17-010 SMBv1 Vulnerability

With the recent spread of the #WannaCry (Update 6/27/17: and #Petya) ransomware over the past week, the IT community has been in a frenzy to patch vulnerable systems that are missing the MS17-010 patch that Microsoft released back in March 2017. If you need to scan your network for possible vulnerable systems, you can use [...]

Windows KB4015217 Windows Server 2016 Windows 10 VMware Inaccessible Boot Disk

There have been recent reports that the Windows 10 and Windows Server 2016 patch KB4015217 breaks VMware virtual machines (VM), leaving them inoperable and a boot error of "Inaccessible Boot Disk". The Windows KB4015217 patch is called "Cumulative Update for Windows 10 and Windows Server 2016: April 11, 2017". While looking at the KB4015217 Release [...]

Run PlayOnLinux as root on Kali Linux

PlayOnLinux is a Linux application that is based on Wine, which let's you install Microsoft Windows programs on Linux. It runs on Bash and Python and is free to download and install. The initial install of PlayOnLinux is easy since it can be found in the repository, but you'll have to do some tweaking if [...]

By | 2017-03-17T08:53:58+00:00 March 17th, 2017|Categories: Linux|Tags: , , , , |2 Comments

How To Update Site Certificate For ADFS Windows Server 2012

If you run a Microsoft ADFS Server on Windows Server 2012, there will probably be a time when you'll need to update your site certificate on the server. In my case, I use a wildcard certificate for my domain, for example *.tecklyfe.com so that all subdomains can use the same certificate. When you update the [...]

By | 2017-02-09T07:35:12+00:00 February 8th, 2017|Categories: System Administration, Windows|Tags: , , , , , , , |0 Comments

Add User or Group as Local Administrator on Domain Controller

As a Systems Administrator or Engineer, you might run into a situation where you need to add a user or service account as a Local Administrator on a Domain Controller. Unfortunately, Domain Controllers don't have the Local Users and Groups databases once they're promoted to a Domain Controller. Depending on what your needs are, you [...]

By | 2017-01-10T13:41:36+00:00 January 10th, 2017|Categories: Windows|Tags: , , , , , , , |0 Comments

Fix Windows Update Errors Troubleshooting Tool

Microsoft has released an online troubleshooting tool to help you resolve your Windows Update errors if you're running Windows 10, Windows 8.1, or Windows 7. If you're running Windows 8, it is recommended that you upgrade to at least Windows 8.1. The online tool also doesn't support Windows Server editions yet, such as Windows Server [...]

How To Reset Active Directory User Password Expiration Date

Active Directory account passwords are usually set to expire (for example: every 90 days) in most organizations. Configuring an AD account with PasswordNeverExpires is not recommended due to security. There might be a time where you need to extend an active directory account’s current password expiration date without changing the password expiration policy or changing [...]

How To Change Your DNS On Windows, Mac, or Linux

A DNS server resolves website URLs into their IP addresses, which is how the internet functions. Without DNS, we would be typing in IP addresses into our browsers instead of domain names. As an end user, you're probably using your internet provider's DNS server by default, but you can change that. Of course you could [...]

By | 2017-04-06T22:12:01+00:00 October 21st, 2016|Categories: Linux, Mac, Technology, Windows|Tags: , , , , , , , |1 Comment