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Change Auditor for SQL Server

Track, report and alert on critical changes to SQL Server. Change Auditor for SQL Server enables you to set up a SQL Server audit log that instantly identifies the “who, what, when, where and originating workstation” details. This SQL Server auditing tool provides you with the ability to automatically generate intelligent, in-depth forensics for auditors and management, reducing the risks associated with day-to-day modifications and ensuring confidence at your next audit.
Change Auditor for SQL Server - sql server audit log
Change auditor for SQL Server is our SQL Server auditing tool
To achieve and maintain security and compliance with regulations and policies, you must protect the data stored in your Microsoft SQL Server databases from intrusion, theft and fraud. You must also report on any events and changes. But collecting user activity from these databases is time-consuming and complex. For easy and secure SQL Server audit log, you need a tool that tracks, audits, reports and alerts on changes to permissions, access, configurations and data in real time. Change Auditor for SQL Server is that solution.

Key Benefits

Centralized SQL Server auditing

Monitor and audit all SQL Server changes from multiple servers and locations all from one single console with this SQL Server auditing tool.

Data-level event auditing

Audit changes to SQL databases and tables, including additions, removals and changes to rows, procedures, tables, views, triggers and more.

At-a-glance display

Track user and administrator activity with a SQL Server audit log containing detailed information for change events, plus original and current values for all changes.

Real-time alerts on the move

Send critical SQL Server audit log 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 practice reports for regulatory compliance mandates such as GDPR, SOX, PCI-DSS, HIPAA, FISMA, GLBA and more.


Event archiving

Schedule the archiving of older data from a SQL Server audit log to an archive database, enabling organizations to keep critical and relevant data online while improving overall performance of search and data retrieval.

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.

Related searches

Provide instant, one-click access to all information in the SQL Server audit log 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.

Security timelines

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

North Central Texas Council of Government

Monitoring database schema changes and other modifications within our SQL Server environment will help us keep those systems up and running, and the data in them secure.

Brett Ogletree Information Security Officer, North Central Texas Council of Government Read Case Study

Stevie Awards 2018 People’s Choice winner

In the 2018 Stevie Award’s People Choice awards, Change Auditor was voted best software and also won a Silver Stevie for best new product of 2018


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 .



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Track, report and alert on critical changes to SQL Server

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