Important. UAL is not recommended for use on servers that are connected directly to the Internet, such as web servers on an Internet-accessible address space, or in scenarios where extremely high performance is the primary function of the server (such as in HPC workload environments).
Functionality Value; Collect and aggregate client request event data in near real-time. Up to three years of data can be saved. Important: Administrators need to enforce compliance of the data collected and data retention periods with the organization's privacy policy and local regulations. Query UAL by using WMI or Windows PowerShell interfaces to retrieve client request data on a local or ...
CrowdStrike analysts recently began researching and leveraging User Access Logging (UAL), a newer forensic artifact on Windows Server operating system that offers a wealth of data to support forensic investigations.
Separate UAL cmdlets are included for Hyper-V and DNS because of the unique data that UAL collects for these server roles.
Get-UalServerDevice: Provides client device access data for the local or targeted server.
In addition to the PowerShell cmdlets described in the previous section, 12 additional cmdlets can be used to collect UAL data:
A typical use case scenario for UAL cmdlets would be for an administrator to query UAL for unique client accesses over the course of a date range. This can be done in a variety of ways. The following is a recommended method to query unique device accesses over a date range.
To stop and disable the UAL service by using the Services console. Sign in to the server with an account that has local administrator privileges. In Server Manager, point to Tools, and then click Services. Scroll down and select User Access Logging Service .Click Stop the service.
UAL is a feature that can help server administrators quantify the number of unique client requests of roles and services on a local server.
UAL retains up to two years' worth of history. To allow retrieval of UAL data by an administrator when the service is running, UAL makes a copy of the active database file, current.mdb, to a file named GUID.mdb every 24 hours for the WMI provider's use.
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Separate UAL cmdlets are included for Hyper-V and DNS because of the unique data that UAL collects for these server roles.
Get-UalServerDevice: Provides client device access data for the local or targeted server.
In addition to the PowerShell cmdlets described in the previous section, 12 additional cmdlets can be used to collect UAL data:
A typical use case scenario for UAL cmdlets would be for an administrator to query UAL for unique client accesses over the course of a date range. This can be done in a variety of ways. The following is a recommended method to query unique device accesses over a date range.
To stop and disable the UAL service by using the Services console. Sign in to the server with an account that has local administrator privileges. In Server Manager, point to Tools, and then click Services. Scroll down and select User Access Logging Service .Click Stop the service.
UAL is a feature that can help server administrators quantify the number of unique client requests of roles and services on a local server.
UAL retains up to two years' worth of history. To allow retrieval of UAL data by an administrator when the service is running, UAL makes a copy of the active database file, current.mdb, to a file named GUID.mdb every 24 hours for the WMI provider's use.