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Sample script for applying standalone EOP settings to multiple tenants

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The sample PowerShell script in this article is for admins who manage multiple standalone Exchange Online Protection (EOP) tenants. Admins can use the script in this article to view and/or apply their configuration settings to multiple standalone EOP tenants.

To run a script or cmdlet on multiple tenants

  1. If you haven't already, install the Exchange Online PowerShell module.

  2. Using an spreadsheet app (for example, Excel), create a .csv file with the following details:

    • UserName column: The account that you'll use to connect (for example, admin@contoso.onmicrosoft.com).
    • Cmdlet column: The cmdlet or command to run (for example, Get-AcceptedDomain or Get-AcceptedDomain | Format-Table Name).

    The .csv file will look like this:

    UserName,Cmdlet
admin@contoso.onmicrosoft.com,Get-AcceptedDomain | Format-Table Name
admin@fabrikam.onmicrosoft.com,Get-AcceptedDomain | Format-Table Name

  3. Save the .csv file in a location that's easy to find (for example, c:\scripts\inputfile.csv).

  4. Copy the RunCmdletOnMultipleTenants.ps1 script into Notepad, and then save the file to a location that's easy to find (for example, c:\scripts).

  5. Run the script by using the following syntax:

    & "<file path>\RunCmdletOnMultipleTenants.ps1" "<file path>\inputfile.csv"

    Here's an example:

    & "c:\scripts\RunCmdletOnMultipleTenants.ps1" "c:\scripts\inputfile.csv"

  6. Each tenant will be logged on to, and the script will be run.

RunCmdletOnMultipleTenants.ps1

# This script runs Windows PowerShell cmdlets on multiple tenants.
#
# Usage: RunCmdletOnMultipleTenants.ps1 inputfile.csv
#
# .csv input file sample:
#
# UserName,Cmdlet
# admin@contoso.onmicrosoft.com,Get-AcceptedDomain | FT Name
# admin@fabrikam.onmicrosoft.com,Get-AcceptedDomain | FT Name

# Get the .csv file name as an argument to this script.
$FilePath = $args[0]

# Import the UserName and Cmdlet values from the .csv file.
$CompanyList = Import-CSV $FilePath

# Load the Exchange Online PowerShell module
Import-Module ExchangeOnlineManagement

# Loop through each entry from the .csv file.
ForEach ($Company in $CompanyList) {

# Get the current entry's UserName.
$UserName = $Company.UserName

# Get the current entry's Cmdlet.
$Cmdlet = $Company.Cmdlet

# Connect to EOP PowerShell by using the current entry's UserName. Prompt for the password.
Connect-ExchangeOnline -UserPrincipalName $UserName

# Here's where the script to be run on the tenant goes.
# In this example, the cmdlet in the .csv file runs.
Invoke-Expression $Cmdlet

# End the current PowerShell session.
Disconnect-ExchangeOnline -Confirm:$false
}