Kim Hartwich

Debloat Windows 11 From Unnecessary Apps and Services While the script is tried and tested, I would suggest you proceed with caution as it may break things. I have added caveats where to tread carefully in the steps below, so follow the process without fail. If you have an older Læs mere…

Set up L2TP/IPSec VPN on Windows Server 2019 Introduction A VPN or Virtual Private Network is used to securely tunnel the data from a local computer to a remote server. You can visualize VPN as a private network distributed across the internet or public network. Using VPN, different devices can Læs mere…

Using WMIC: List all installed Programs Open Command Prompt as Administrator Type wmic product get name, version, vendor and press Enter. After a few moments, a list will be displayed in the command prompt detailing the programs installed on the target computer. If you want to save the results in Læs mere…

Know Your FSMO Locations Make sure that the DC you are removing is not holding any of the FSMO Roles i) On any health domain controller, click Start, click Run, type “Ntdsutil” in the Open box, and then click OK ii) Type “roles“, and then press ENTER iii) Type “connections“, Læs mere…

Introduction Configure Domain Controller to synchronize time with external NTP server (dk.pool.ntp.org) UDP port 123 must be open on firewall to allow NTP traffic in and out from this DC. From DC command prompt type “telnet portquiz.net 123” to test if the port 123 traffic can go out. Logon to Læs mere…

Description Many administrators are familiar with SPF (Sender Policy Framework) as a system to declare and verify who can send emails from a domain. In the fight against spam and phishing, SPF is not enough anymore. DKIM (DomainKeys Identified Mail) is an email authentication system based on asymmetric cryptographic keys. Læs mere…

Outlook Data File Performance If you have a large .pst or .ost file, you may experience application pauses while you perform typical operations in Outlook. These typical operations include reading email messages, moving email messages, and deleting email messages. The following list summarizes expected behavior based on the size of Læs mere…

Step 1: Connect to Exchange Online using PowerShell $Credential = Get-Credential$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $Credential -Authentication Basic -AllowRedirectionImport-PSSession $Session Step 2: Generate a list of all mailboxes $users = Get-Mailbox -Resultsize Unlimited Step 3: Set Default access to Reviewer for all User mailboxes foreach ($user in $users) {Write-Host Læs mere…