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Windows Server 2008 R2

Deactivate network adapter under Windows

May 19, 2020administrator
Disable-NetAdapter

If you want to deactivate the network adapter or Ethernet connection of your Windows PC , this is possible, but unfortunately Microsoft has not integrated a function with which the shutdown can be carried out quickly and easily. Overall, we… Continue Reading →

Windows 10, Windows 7, Windows 8, Windows Server 2008 R2, Windows Server 2012 R2, Windows Server 2016

Edit the Windows event log using the command line tool “wevtutil”

May 19, 2020administrator
Number of events 0

The Windows event log is the first point of contact if problems occur with the Windows PC. The event log is normally edited via the Windows Event Viewer (services.msc) . But what very few Windows users or administrators know, there… Continue Reading →

Instructions, Windows 10, Windows 7, Windows 8, Windows Server 2008 R2, Windows Server 2012 R2, Windows Server 2016

Authentication failure – Cause could be CredSSP Encryption Oracle Remediation

May 19, 2020administrator
Encryption Oracle Remediation (remedy against encryption oracles)

Due to security gaps, Microsoft made changes in the RDP protocol or in the RDP client and server components some time ago . These changes have been incorporated into numerous Windows security updates that were released in March 2018 .… Continue Reading →

Security, Windows 10, Windows 7, Windows 8, Windows Server 2008 R2, Windows Server 2012 R2, Windows Server 2016

Exclude certain devices (MAC addresses) from DHCP

May 19, 2020administrator
Enable refuse filter

Under certain circumstances it may be necessary that certain devices in the network are not automatically assigned an IP address by the DHCP server . This may be necessary if certain devices are not to use the WLAN, for example,… Continue Reading →

Instructions, Windows Server 2008 R2, Windows Server 2012 R2, Windows Server 2016

Close RDP sessions remotely and call up an overview of all RDP sessions with “quser”

May 19, 2020administrator
logoff sessionid remote server

If you work a lot with RDP (Remote Desktop Protocol) , you may be familiar with the problem that after a certain number of active RDP sessions, no further RDP sessions can be established with the Windows server or Windows… Continue Reading →

Instructions, Windows 10, Windows 7, Windows 8, Windows Server 2008 R2, Windows Server 2012 R2, Windows Server 2016

Find out which AD user has never logged in

May 19, 2020administrator
View AD accounts that have never logged on to a domain

Anyone who operates a network with an Active Directory domain always creates new user accounts for new users or for services. Devices on networks with several hundred or thousands of users, the administrator quickly loses the overview of all Active… Continue Reading →

Instructions, Windows 10, Windows 7, Windows 8, Windows Server 2008 R2, Windows Server 2012 R2, Windows Server 2016

Change standard RDP port 3389

May 19, 2020administrator
Include the MSTSC port number

In certain environments it may make sense to change the standard RDP (Remote Desktop) port . By default, all Windows servers and Windows clients are set so that the remote desktop protocol works via port 3389 . However, if certain… Continue Reading →

Instructions, Windows 10, Windows 7, Windows 8, Windows Server 2008 R2, Windows Server 2012 R2, Windows Server 2016

Determine LastLogon (last login) of a user in AD using Get-ADUser

May 19, 2020administrator
LastLogon from a user group

Especially for administrators who work in a network with an AD structure (Active Direcotry) it may be desirable if they can query the last login date or the last login time relatively quickly and easily . By default this is… Continue Reading →

Instructions, Windows 10, Windows 7, Windows 8, Windows Server 2008 R2, Windows Server 2012 R2, Windows Server 2016

Get Hyper-V information about a VM using PowerShell

May 18, 2020administrator
Hyper-V Info GridView

The virtualization solution Hyper-V Microsoft enjoys increasing popularity. Not without reason, because with Windows 10 Hyper-V is also included as standard, at least in Windows 10 Professional and Enterprise Edition. Windows 10 Home users unfortunately do not enjoy Hyper-V, at… Continue Reading →

Instructions, Windows 10, Windows Server 2008 R2, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019

84B30002 Error code during Windows update

May 18, 2020administrator

Every now and then we come across Windows Update error code 84B30002 . In the picture below you can see the Error 84B30002 on a Windows Server 2012 R2, on which 3 current Windows updates should be installed. As you… Continue Reading →

Instructions, Windows 10, Windows 7, Windows 8, Windows Server 2008 R2, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019

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