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# Confirm system access:
"user1","user2" | Get-ADUser -properties * | ft SamAccountName, DisplayName, Enabled

# Disable:
"user1","user2" | Disable-ADAccount

# If processing a change for folks who should be terminated, easier to do this:
$userlist = "user1","user2"
$userlist | Get-ADUser -properties * | ft SamAccountName, DisplayName, Enabled
$userlist | Disable-ADAccount

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# Add/Remove Email Access For Another Mailbox:

# First get a session to work in, unless you have the tools installed
$Session = New-PSSession -ConfigurationName Microsoft.Exchange `
	-ConnectionUri http://mailserver/PowerShell/ `
	-Authentication Kerberos
Import-PSSession $Session

# setup users
$a = '[email protected]' #who's mailbox is it?

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# Get speed of last command:
($hi = (Get-History)[-1]) | %{ $hi;$hi.EndExecutionTime - $hi.StartExecutionTime}
# check get-history for id-1 to get index if you want a specific task

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# Save task as xml (and delete them, or a list of them):
$sn="server"
$tn="taskname"
schtasks /query /s $sn /tn $tn /xml one > "cleanup_job-$tn.xml"
schtasks /delete /s $sn /tn $tn

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Function Get-Uptime {
  Param ( [string] $ComputerName = $env:COMPUTERNAME )
  $os = Get-WmiObject win32_operatingsystem -ComputerName $ComputerName -ErrorAction SilentlyContinue
  if ($os.LastBootUpTime) {
    $uptime = (Get-Date) - $os.ConvertToDateTime($os.LastBootUpTime)
    Write-Output ("Last boot: " + $os.ConvertToDateTime($os.LastBootUpTime) )
    Write-Output ("Uptime   : " + $uptime.Days + " Days " + $uptime.Hours + " Hours " + $uptime.Minutes + " Minutes" )
  }
  else {
    Write-Warning "Unable to connect to $computername"

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# Generate a..z in powershell
([char[]]([int][char]'a'..[int][char]'z'))

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@'
username,fullname
user1,"user one"
user2,"user two"
'@ | ConvertFrom-Csv | foreach {
    $AD = Get-ADUser -Identity $_.username
    New-Object PSObject -Property @{
        UserName = $_.username
        FullName = $_.fullname
        Name = $AD.Name

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New-ADUser newdomainadmin -OtherAttributes @{displayname="new domain admin person"}
Set-ADAccountPassword newdomainadmin -Reset -NewPassword (ConvertTo-SecureString -AsPlainText "plaintextpassword" -Force )
Get-ADGroup "Domain Admins"
Get-ADGroup "Domain Admins" | Add-ADGroupMember -Members (Get-ADUser newdomainadmin )
Get-ADGroup "Domain Admins"

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#set the user to fix, this should match the duplicate that was sent from local AD
$sam = "user1"
$old = "[email protected]"
$new = "[email protected]"
#show the users
Get-MsolUser -UserPrincipalName $old
Get-MsolUser -UserPrincipalName $new
#remove the old user
Remove-MSOLuser -UserPrincipalName $old -Force
#remove it from recyclebin

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-- temp table variable

declare @tbl table (
	a varchar(2)
)

insert @tbl
select 'v0'
union all select 'v1'
union all select 'v2'