For the best web experience, please use IE11+, Chrome, Firefox, or Safari

Change Auditor for Exchange

Microsoft Exchange Server and Office 365 change auditing and activity reporting. IT organizations need Exchange auditing software that simplifies the auditing process. Change Auditor for Exchange makes this possible by tracking, auditing, reporting and alerting on Microsoft Exchange Server and Office 365 Exchange Online configuration and permission changes in real time. To ensure Exchange and Office 365 compliance, you can automatically generate in-depth reports, protecting you against policy violations and avoiding the risks and errors associated with day-to-day modifications.
Exchange Auditing Software
Change Auditor for Exchange audits all critical changes to Exchange and Exchange Online such as mailbox logins/access, non-owner mailbox activity and permission changes.
Change Auditor for Exchange audits all critical changes to Exchange and Exchange Online such as mailbox logins/access, non-owner mailbox activity and permission changes. This Exchange audit tool makes Microsoft Exchange reporting easier with real-time audits that protect your organization’s security policies as well as prevent compliance violations, system downtime and massive productivity loss.

Key Benefits

Hybrid Exchange auditing

Use this Exchange auditing software to get a single, correlated view of all Exchange and Office 365 activity, with visibility of all changes whether on-prem or in the cloud.

At-a-glance display

Track user and administrator activity with detailed information for change events, plus original and current values for all changes.

Non-owner mailbox auditing

Audit any changes made to mailboxes that have been accessed by a non-owner, which enhances security and compliance.

Object protection

Prevent anyone but the mailbox owner from accessing sensitive or critical mailboxes using this Exchange auditing software.

Real-time alerts on the move

Send critical change and pattern alerts to email and mobile devices to prompt immediate action, even while you're not on site.

SIEM integration

Enrich SIEM solutions including Sentinel, Splunk, ArcSight, QRadar or any platform supporting Syslog by integrating Change Auditor’s detailed activity logs.

Auditor-ready reporting

Generate best practices reports for regulatory compliance mandates for GDPR, SOX, PCI-DSS, HIPAA, FISMA, GLBA and more.

Superior auditing engine

Capture changes information without the need for Microsoft-provided Exchange audit logs, resulting in faster results and massive storage savings.


Office 365 auditing

Use this Exchange audit tool to administrator access and end user mailbox activity for mailboxes hosted on Office 365. Events are searchable and integrated into reports for a more complete picture of what’s happening in Exchange and Exchange Online.

Improved security insights

Correlate disparate IT data from numerous systems and devices into IT Security Search, an interactive search engine for fast security incident response and forensic analysis. Include user entitlements and activity, event trends, suspicious patterns and more with rich visualizations and event timelines.

Security timelines

View, highlight and filter change events and discover their relation to other security events in chronological order across your Microsoft environment for better forensic analysis and security incident response.

Related searches

Provide instant, one-click access to all information on the change you're viewing and all related events, such as what other changes came from specific users and workstations, eliminating additional guesswork and unknown security concerns.

Public folder support

Use this Exchange auditing software to track changes made to Exchange public folders, which speeds troubleshooting and ensures compliance.

ActiveSync auditing

Audit mobile devices using the Microsoft ActiveSync to track email and calendar access, device registration and more for on-premises Exchange.

AFV Beltrame Group

With Change Auditor, we achieved our goal of gaining complete and centralized visibility of security audit operations across the entire Group— including not just our on-premises Windows file servers and domain controllers but also our Office 365 services, such as mail, SharePoint Online and OneDrive for Business.

Mirco Destro CIO and IT Manager, AFV Beltrame Group Read Case Study

Abu Dhabi Ports

When we need to investigate an issue, we can create detailed reports with a single click, instead of digging through multiple event logs for hours or days.

Zaid Al-Ali Infrastructure & Service Delivery Manager, Abu Dhabi Ports Read Case Study


Non-owner mailbox
Mailbox selection
Web-based event timeline
Role-based access
Object protection
Related searches
Alerts - exchange auditing software


Use this Exchange auditing software to alert and monitor critical changes made to Exchange.


There are specific system requirements for the Change Auditor coordinator (server-side), Change Auditor client (client-side), Change Auditor agent (server-side), and the Change Auditor workstation and web client (optional components). For a full list of system requirements and required permissions for all components and target systems that can be audited by Change Auditor please refer to the Change Auditor Installation Guide.

The Change Auditor coordinator is responsible for fulfilling client and agent requests and for generating alerts.


Quad core Intel® Core™ i7 equivalent or better


Minimum: 8 GB RAM or better

Recommended: 32 GB RAM or better

SQL Server

SQL databases supported up to the following versions:

  • Microsoft SQL Server 2014 SP3
  • Microsoft SQL Server 2016 SP3
  • Microsoft SQL Server 2017
  • Microsoft SQL Server 2019
  • Azure SQL Managed Instance (PaaS) with SQL authentication or Azure Active Directory authentication

NOTE: Performance may vary depending on network configuration, topology, and Azure SQL Managed Instance configuration.

NOTE: Change Auditor supports SQL AlwaysOn Availability Groups, SQL Clusters, and databases that have row and page compression applied.

Operating system

Installation platforms (x64) supported up to the following versions:

  • Windows Server 2012
  • Windows Server 2012 R2
  • Windows Server 2016
  • Windows Server 2019
  • Windows Server 2022

NOTE: Microsoft Windows Data Access Components (MDAC) must be enabled. (MDAC is part of the operating system and enabled by default.)

Coordinator software and configuration

For the best performance, Quest strongly recommends:

  • Install the Change Auditor coordinator on a dedicated member server.
  • The Change Auditor database should be configured on a separate, dedicated SQL server instance.

NOTE: Microsoft ODBC Driver 17 for SQL Server is required when the Change Auditor database resides on Azure SQL Managed Instance and Azure Active Directory authentication is selected.

NOTE: Do NOT pre-allocate a fixed size for the Change Auditor database.

In addition, the following software/configuration is required:

  • The coordinator must have LDAP and GC connectivity to all domain controllers in the local domain and the forest root domain.
  • x64 version of Microsoft’s .NET 4.7.1
  • x64 version of Microsoft XML Parser (MSXML) 6.0
  • x64 version of Microsoft SQLXML 4.0
Coordinator footprint
  • Estimated hard disk space used: 1 GB.
  • Coordinator RAM usage is highly dependent on the environment, number of agent connections, and event volume.
  • Estimated database size will vary depending on the number of agents deployed and audited events captured.

Additional Account Coordinator minimum permissions required, please see Change Auditor Installation Guide .



Change Auditor for Exchange

Document all critical group, mailbox and public/private changes to Exchange
On Demand Webcast

How to Audit Office 365 and Exchange Online Privileged Operations and Mailbox Access

Moving Exchange to the cloud eliminates a lot of work, but it doesn’t eliminate your compliance responsibilities or security re...
White Paper

Auditing Privileged Operations and Mailbox Access in Office 365

Email remains one of the most heavily used communication mediums in organizations today. With as much as 75 percent of your org...
Case Study

Manufacturer ensures security and GDPR compliance

To continue to thrive in its competitive market, Beltrame Group had modernized its IT environment, with help from Quest migrati...
Case Study

Howard County, Maryland, improves security and service availability, while saving hours of IT wo...

Howard County, Maryland, uses Microsoft platform management solutions from Quest, which enable accurate and efficient account p...
White Paper

Best Practices for Protecting Against Phishing, Ransomware and Email Fraud

Learn cybersecurity best practices to protect your organization against phishing, ransomware and other threats.
Case Study

Abu Dhabi Ports Fortifies Security & Accountability with Quest Solutions

Quest solutions help manage and secure their IT infrastructure with audits, proactive alerts, automated provisioning and self-s...

What is Quest Change Auditor and how does it compare to and complement Microsoft ATP and third-p...

Hear Quest product experts, Ghazwan Khairi, Bryan Patton and Robert Tovar discuss the real-time security and IT auditing of Cha...

Get Started Now

Track, report and get alerts on Exchange and O365 changes in real time.

Support and Services

Product Support

Self-service tools will help you to install, configure and troubleshoot your product.

Support Offerings

Find the right level of support to accommodate the unique needs of your organization.

Professional Services

Search from a wide range of available service offerings delivered onsite or remote to best suit your needs.

Education Services

Training courses delivered through online web-based, on-site or virtual instructor-led.