Search Unified Audit Log for Mailbox Activity
Use two Exchange Online PowerShell scripts to export Unified Audit Log events performed by a mailbox identity or performed to a mailbox object.
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Powershell
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PowerShell Subnet Scanner With Optional Port Checks
Scan a single IP, IP range, or CIDR subnet from a Windows PowerShell GUI, resolve hostnames, attempt ARP MAC lookup, optionally test TCP ports, and export the results to CSV.
Query Domain Controllers For Lockouts And Failed Logons In PowerShell 5.1
Query multiple domain controllers for lockouts and failed logons in PowerShell 5.1, then troubleshoot repeated account lockouts using cached credentials, mapped drives, and Kerberos tickets.
Search Domain GPOs for Any Text String with PowerShell
Search every Group Policy Object in an Active Directory domain for a setting name, registry path, or other text string with PowerShell, and optionally export all GPO XML reports for offline review.
Get DNS Records with PowerShell
A PowerShell script that collects DNS records relevant to email delivery and security, including MX, SPF, DMARC, and related lookups.
Export Shared Mailbox Delegates from Exchange Online (and Why PowerShell ISE Breaks It)
A PowerShell 5.1 script to export Shared Mailbox permissions from Exchange Online, and why it must relaunch itself out of PowerShell ISE.
Export All Group Memberships (Teams, Microsoft 365, Distribution Lists, Security Groups)
Export direct membership for Teams, Microsoft 365 groups, distribution lists, and security groups using Microsoft Graph PowerShell.
Export Exchange Inbox Rules with Exchange Online PowerShell
Export current Exchange Online inbox rules or audit inbox rule changes with four PowerShell scripts for tenant-wide review, single-mailbox triage, and Unified Audit Log history.
Remote and Local DNS Configuration Guide
Comprehensive guide on changing DNS settings remotely and locally, with a focus on network troubleshooting and management using WMIC and PowerShell.
