This TechBlog describes how to create a scheduled task that will automatically rotate the Centrify Auditing audit store database on the first day of each month. You can easily modify the command described below to suit your requirements.
Installing the Centrify DirectAudit SDK
The DirectAudit SDK installer is included with the Centrify Suite download, within the ..\DirectAudit\SDK directory. It is available in both .exe and .msi installer types.
Run the Centrify DirectAudit SDK64.exe installer file, agree to the EULA, and next, finish through the installation.
The Auditing SDK includes four samples scripts that can be modified to suit your requirements. For our purposes, we will focus on the db_rotation.vbs script. For more information on all of the sample scripts, please refer to the Database Management Guide.
The sample scripts are located in C:\Program Files\Centrify\Audit\Audit API for Windows\Samples.
Creating the Scheduled Task
Open a PowerShell command prompt as Administrator, and change the directory to the location of the sample scripts.
cd ‘C:\Program Files\Centrify\Audit\Audit API for Windows\Samples’
Next, we run a command that will add the db_rotation.vbs script as a scheduled task called ‘rotate_database’. It’s a long command, but I will break it down so that you can easily modify it match your environment.
Here is an example of what the command should look like:
schtasks.exe /Create /TN "rotate_database" /TR "cscript.exe 'C:\Program Files\Centrify\Audit\Audit API for Windows\Samples\db_rotation.vbs' DefaultInstallation Demo-Network@centrify.vms-AuditStore member.centrify.vms\CENTRIFY_SUITE AuditStore" /RU centrify\dbadmin /RP P4ssw0rd$ /RL Highest /SC Monthly /MO 1
The command contains the following components:
schtasks.exe /Create /TN <task_name> /TR <task_Command> /RU <run_as_user> /RP <run_as_user_password> /RL <run_level> /SC <recurrence_rate> /MO <recurrence_increment>
- task_name: rotate_database
- task_command: cscript.exe 'C:\Program Files\Centrify\Audit\Audit API for Windows\Samples\db_rotation.vbs' DefaultInstallation Demo-Network@centrify.vms-AuditStore member.centrify.vms\CENTRIFY_SUITE AuditStore"
- run_as_user: centrify\dbadmin
Note: I used a domain user (domain\user) for the run_as_user, but ‘NT AUTHORITY\SYSTEM’, or just ‘SYSTEM’ are also valid values.
- run_as_user_password: P4ssw0rd$
Note: You must supply a password to enable the task to run even if the run as user is not logged in. If you choose to use ‘NT AUTHORITY\SYSTEM’ or ‘SYSTEM’, it does not require a password.
- run_level: Highest
- recurrence_rate: Monthly
- recurrence_increment: 1
The task command consists of the following elements:
<parser> '<install_path>\<vbs_script>' <installation> <auditstore>
- parser: cscript.exe
- install_path: C:\Program Files\Centrify\Audit\Audit API for Windows\Samples
- vbs_script: db_rotation.vbs
- installation: DefaultInstallation
- auditstore: Demo-Network@centrify.vms-AuditStore
- db_server: centrify.vms\CENTRIFY_SUITE
- db_prefix: AuditStore
Note: The db_prefix value can be whatever you want to name the audit database. A date stamp will be attached to the db_prefix to compose the new database name.
You can easily determine the installation, auditstore, and db_server values by viewing the Centrify Audit Manager console. See below.
After running the command, you should receive a SUCCESS message.
You should now be able to view the newly created task in Task Scheduler.
After the task runs, the newly created database is marked as active. The database that has been rotated out will remain attached. By default, the script is configured to detach rotated databases that are older than two years.
If you right-click on the rotated database within the Centrify Audit Manager, you can choose to detach or delete it.
You can download this article in PDF format below.
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