$Cred = Get-Credential
$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://ps.outlook.com/powershell/ -Credential $Cred -Authentication Basic -AllowRedirection
Import-PSSession $Session -DisableNameChecking
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…
Of late, Windows has become incredibly bloated with useless apps and services. These apps take up crucial RAM, processing power and disk space. It significantly slows down the system and you are left with a laggy mess. The sad part is that you can’t even uninstall these apps through the Læs mere…
Removal of Restore Points To keep up with the retention policy, Veeam Backup & Replication deletes the whole backup file from the backup chain, not data for separate VMs from the backup file. In some situations a certain VM may have fewer restore points than it is specified in retention policy settings. This can happen Læs mere…
Addresses Hosts Netmask Amount of a Class C /30 4 2 255.255.255.252 1/64 /29 8 6 255.255.255.248 1/32 /28 16 14 255.255.255.240 1/16 /27 32 30 255.255.255.224 1/8 /26 64 62 255.255.255.192 1/4 /25 128 126 255.255.255.128 1/2 /24 256 254 255.255.255.0 1 /23 512 510 255.255.254.0 2 /22 1024 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…
Here is some useful Powershell Commands for reports: Connect to Office 365 / Exchange Online Open the Windows PowerShell as Administrator Execute the following command $LiveCred = Get-Credential and enter the admin credentials in the popup dialog. Execute the following commands: $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://ps.outlook.com/powershell/ -Credential $LiveCred -Authentication Basic Læs mere…
Nowadays it’s casual to use VMs for development environments. It’s also casual that projects grow and you run out of disk space inside the VMs. Luckily, on the host there’s always enough space available which can be assigned to an existing VM (isn’t it?). Expanding the partition in the VMware 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…
Using WMIC in Windows: 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 Læs mere…