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send_popup_message_to_multiple_systems.ps1
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send_popup_message_to_multiple_systems.ps1
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<#
Purpose: Trigger a pop-up message window on a list of systems
Requirements: Admin rights on the target machines
Author: S-6
History: 1.0.0 Initial write
Usage: Edit the variables below to target the OU you want, and specify where psexec is
#>
#############
# VARIABLES # (set these to your values)
#############
# OU containing desktops to target
$DesktopOU = "OU=MB,OU=Desktops,OU=DPTMS,OU=IMCOM,OU=Bliss,OU=Installations,DC=nasw,DC=ds,DC=army,DC=mil"
# OU containing laptops to target
$LaptopOU = "OU=MB,OU=Laptops,OU=DPTMS,OU=IMCOM,OU=Bliss,OU=Installations,DC=nasw,DC=ds,DC=army,DC=mil"
# Message to send
#$message = "Please save your work and restart your computer ASAP. Thanks, S-6."
$MessageToSend = "This is a test of the S-6 notification system, please disregard this message."
# Location of psexec (if using the psexec method vs. the Powershell Invoke-Command method) $psexec = c:\windows\system32\psexec.exe
########
# PREP #
########
$SCRIPT_VERSION = "1.0.0"
$SCRIPT_UPDATED = "2020-02-21"
###########
# EXECUTE #
###########
# The wrest of the script is wrapped in the "main" function, just so we can put the logging function at the bottom
function main() {
# Pull in the list of computers we're targeting
$DesktopList=(get-adcomputer -searchbase "$DesktopOU" -filter * | select -expand Name)
$LaptopList=(get-adcomputer -searchbase "$LaptopOU" -filter * | select -expand Name)
# for testing against specific systems
#$DesktopList = 'BLISW6CLAAWKPT2',
#'BLISWKMAD1HQ604',
#'BLISWkmad1hq602'
#$LaptopList = 'BLISW6CLAAWKPT2',
#'BLISWKMAD1HQ604',
#'BLISWkmad1hq602'
# Count how many in each OU
$DesktopCount = $DesktopList.Count
$LaptopCount = $LaptopList.Count
$TotalCount = $DesktopCount + $LaptopCount
# Notify what we're doing
log " Message sending script v$SCRIPT_VERSION ($SCRIPT_UPDATED)" green
log " Message to send: '$MessageToSend'" white
log " Desktop OU: ($DesktopCount hosts) '$DesktopOU'"
log " Laptop OU: ($LaptopCount hosts) '$LaptopOU'"
# Prompt to launch
""
write-host " Message will be sent to a total of $TotalCount hosts." -f white
""
write-host " Are you sure?" -f red
""
pause
""
# Loop through and send the message (Desktop OU)
log " Sending to hosts in the Desktop OU..." green
foreach ( $computer in $DesktopList ) {
# Check to see if the system is online before sending
if (test-Connection -count 1 -Cn $computer -quiet) {
# Using Psexec to connect
# & $psexec \\$computer -i msg * "$MessageToSend"
# Using Powershell to connect
Invoke-Command -ComputerName $computer -ScriptBlock { msg * "$using:MessageToSend" } -ea SilentlyContinue # the "$using:" method only works on PS v3 and up
log " $computer sent."
} else {
log " ! $computer not online, skipping." yellow
}
}
log " Done." darkgreen
# Loop through and send the message (Laptop OU)
log " Sending to hosts in the Laptop OU..." green
foreach ( $computer in $LaptopList ) {
# Check to see if the system is online before sending
if (test-Connection -count 1 -Cn $computer -quiet) {
# Using Psexec to connect
# & $psexec \\$computer -i msg * "$MessageToSend"
# Using Powershell to connect
Invoke-Command -ComputerName $computer -ScriptBlock { msg * "$using:MessageToSend" } -ea SilentlyContinue # the "$using:" method only works on PS v3 and up
log " $computer sent."
} else {
log " ! $computer not online, skipping." yellow
}
}
log " Done." darkgreen
} # Close out the main function. End of script
#############
# FUNCTIONS #
#############
function log($message, $color)
{
if ($color -eq $null) {$color = "gray"}
# log to console
write-host (get-date -f "yyyy-MM-dd hh:mm:ss") -n -f darkgray; write-host "$message" -f $color
}
# Call the main function (script). Script won't function without this line
main