To find all PS Commands in your computer
Get-Command
Understanding the Results of the Get-Command Cmdlet
There are four columns in the results of the Get-Command Output
- CommandType: This tells you whether command is an Alias, a Cmdlet, or a Function.
- Name: The name is the actual command you execute.
- Version: This is the PowerShell version
- Source: The module of the PS command.
With this information, you can filter the results from Get-Command. Say you want to see PowerShell commands containing the word “EventLog”, running the command below will get the job done:
Get-Command -Name *EventLog
Connect PS to Remote Computer
Enter-PSSession -ComputerName COMPUTER -Credential USER
Change UPN of a user in O365
Store your O365 credentials in a variable
$msolcred = get-credential
Connect to O365
connect-msolservice -credential $msolcred
Change User Principal Name
Set-MsolUserPrincipalName -UserPrincipalName current@domain.onmicrosoft.com -NewUserPrincipalName newusername@domain.com
List All User Password Ages
get-aduser -filter * -properties passwordlastset, passwordneverexpires |ft Name, passwordlastset, Passwordneverexpires
List All User Password Expiration Dates
Get-ADUser -filter {Enabled -eq $True -and PasswordNeverExpires -eq $False} –Properties "DisplayName", "msDS-UserPasswordExpiryTimeComputed" | Select-Object -Property "Displayname",@{Name="ExpiryDate";Expression={[datetime]::FromFileTime($_."msDS-UserPasswordExpiryTimeComputed")}}
Find All Locked Account
Search-ADAccount -LockedOut
Remove Inactive RDS User Profiles
Take ownership of ‘folder.V2’ path
takeown /r /d Y /f .\folder.V2
Grant open permissions to the folder (for easy deletion)
icacls .\folder.V2 /grant Everyone:F /T
Delete the ‘folder.V2’ path
remove-item -path .\folder.V2 -force -recurse
Migrate DHCP server configuration
Export the existing configuration:
Export-DHCPServer -ComputerName <old server> c:\dhcp.xml -ver -leases
Import to the new server:
Import-DHCPServer -ComputerName <new server> c:\dhcp.xml -backuppath c:\dhcpbackup -leases
Fix Common BPA Scan Results on new Windows Servers
- Set-smbserverconfiguration -AsynchronousCredits 64
- Set-smbserverconfiguration -MaxThreadsPerQueue 20
- Set-smbserverconfiguration -Smb2CreditsMax 2048
- Set-smbserverconfiguration -Smb2CreditsMin 128
- Set-smbserverconfiguration -DurableHandleV2TimeoutInSeconds 30
- Set-smbserverconfiguration -AutoDisconnectTimeout 0
- Set-smbserverconfiguration -CachedOpenLimit 5
Using command prompt as administrator
- sc config srv start=demand