The Challenge: Hidden Exchange Dependencies

During Exchange migrations, IT administrators often discover applications they didn’t know were using Exchange services. These can include:

️ Introducing the Exchange EWS and SMTP Relay Scanner

I’ve developed a comprehensive PowerShell script that analyzes your Exchange server logs to identify all applications using EWS or SMTP relay services. The script generates a detailed HTML report that helps you plan your migration strategy.

What the Script Discovers

The script analyzes multiple data sources to provide comprehensive coverage:

How to Use the Script

Using the script is straightforward, even for those new to PowerShell:

# Download and save the script to your Exchange server
# Open Exchange Management Shell as Administrator
# Navigate to the script directory and run:

.\Get-ExchangeUsageReport.ps1

# Analyze the last 60 days instead of 30
.\Get-ExchangeUsageReport.ps1 -DaysToAnalyze 60

# Specify custom log paths
.\Get-ExchangeUsageReport.ps1 -IISLogPath "D:\IISLogs\W3SVC1"

# Non-interactive mode for automation
.\Get-ExchangeUsageReport.ps1 -UseFileDialog $false -OutputPath "C:\Reports\EWSReport.html"

Understanding the Report

The generated HTML report provides a comprehensive overview of your Exchange usage:

Real-World Benefits

Organizations using this script have discovered:

Migration Planning Made Easy