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Back to the ICT-Hotlist...Use PowerShell to create an Excel report containing Active Directory Sites and Subnets
Active Directory Sites and Services is a Microsoft Management Console (MMC) snap-in that is used to administer the inter site replication topology of directory data among all sites in an Active Directory Domain Services (AD DS) forest. This PowerShell script reads the Microsoft Active Directory forest and creates a CSV file for Excel containing all the subnets and sites. This script enables you to regularly report about the current networking configuration in Active Directory.
##############################################################################
# This PowerShell script creates a CSV file for Excel containing all the
# Windows Active Directory Forest sites with their subnets
# (C)Copyright 2016 - 2025 vanSoest.it by Johan van Soest
##############################################################################
Get-ADReplicationSubnet -Filter * -Properties * |
Sort-Object Site |
Select-Object Site, Name, Location, Description, Created, Modified |
Export-Csv $env:temp\SiteInfo.csv
# This PowerShell script creates a CSV file for Excel containing all the
# Windows Active Directory Forest sites with their subnets
# (C)Copyright 2016 - 2025 vanSoest.it by Johan van Soest
##############################################################################
Get-ADReplicationSubnet -Filter * -Properties * |
Sort-Object Site |
Select-Object Site, Name, Location, Description, Created, Modified |
Export-Csv $env:temp\SiteInfo.csv
Example
The following image is a quick overview of a site diagram of a fictive company. (Bridgehead servers removed from the drawing for clarity)The company has one forest and domain with four sites in Aalst, San Giovanni Teatino, New York and London.
Active Directory site diagram
Active Directory Sites and Services
The next image shows the Active Directory Sites and Services console representing the diagram and shows the four subnets. Also shown, in Notepad, is the sites file created with the export function.
Active Directory Sites and Services with Subnet information in Excel
PowerShell script output
Upon running the script and importing the CSV file in Excel, the information can be presented as:
Excel 2013 Active Directory Sites and Subnet information
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