![]() You can install the universal forwarder on a Windows machine from a command prompt or a PowerShell window.As a workaround, you can use cmd /D msiexec.exe /i to install Splunk. If you have enabled Windows autorun, Splunk installation might fail if the autorun script fails.If you have problems on WMI/perfmon inputs, see the Troubleshooting topic. If USE_VIRTUAL_ACCOUNT or LOGON_USERNAME is enabled, then GROUPPERFORMANCEMONITORUSERS must be 0, otherwise the installation fails. When installing version 9.1 with the command line, the default account on the domain is the local system. ![]() Note the following when installing from the command line: You can install the universal forwarder on a Windows machine from a command prompt or a PowerShell window. Install a Windows universal forwarder from the command line From the Windows Control Panel, confirm that the SplunkForwarder service runs.The universal forwarder automatically starts. The installer runs and displays the Installation Completed dialog box. In the Receiving Indexer pane, enter a host name or IP address and the receiving port for the receiving indexer that you want the universal forwarder to send data to and click Next.In the Deployment Server pane, enter a host name or IP address and management port for the deployment server that you want the universal forwarder to connect to and click Next.You can also manually create your own username and password. The default username is "Admin" and you can check Generate a password to automatically create a password. Create credentials for your administrator account.Performance Monitor Users: Check for WMI/perfmon inputs to collect performance data.Grant Windows groups privileges to enable universal forwarder features:.SeImpersonatePrivilege: Check to let the least privileged user collect events as a specific user.SeSystemProfilePrivilege: Check to let the user collect performance data.SeBackupPrivilege: Check to grant the least privileged user read permissions for files.Grant Windows privileges to enable universal forwarder features:.To change any of the default installation settings, update the popup to grant permissions to your new least privileged user by selecting some or all permissions:.You can use the radio buttons to change the account on which the universal forwarder runs. By default the universal forwarder is installed with a least-privileged user.On the Certificate Information page, click Next as a best practice.In the Destination Folder dialog box, click Change and specify a different installation directory.Click "Customize options" on the first screen of the installer to optionally change the following:.Click Next to create an administrator account, and then go to step 4 or click the "Customize Options" button to customize your installation.Select Check this box to accept the License Agreement and select whether you are installing on Splunk Enterprise or Splunk Cloud. The first screen of the installer pops up.Double-click the MSI file to start the installation. Download the universal forwarder from.To install a Windows universal forwarder from an installer: Install a Windows universal forwarder from an installer To mitigate this, when installing with the user interface, the default account is the local system on the domain controller. Since local user groups are not available on the domain controller, the GROUPPERFORMANCEMONITORUSERS flag is unavailable, which might affect WMI/perfmon inputs. The universal forwarder creates a least privileged user when you install version 9.1 or later. When you install version 9.1 or later of the universal forwarder, the installer creates a virtual account as a "least privileged" user called splunkfwd, which provides only the capabilities necessary to run the universal forwarder. Running the universal forwarder as a local system account or domain user is not a security best practice, as it provides the user with a lot of high-risk permissions that are unnecessary for running the universal forwarder. With the deprecation introduced in 9.1.0, the latest forwarders will not be able to talk to the indexers running Splunk 7.0 or earlier. Upgrade all of your instances if possible, but if you must use the old version of the Splunk-to-Splunk protocol, refer to the Troubleshooting guide to learn how to enable that behavior. Version 9.1.0 deprecates version 3 of the Splunk-to-Splunk protocol. The installer is recommended for larger deployments and the command line is recommended for smaller deployments. Install a Windows universal forwarder using an installer or the command line.
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