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Get user status with PowerShell Or I can track a number of users. This is not a mandatory parameter. After running, you will be presented with a progress bar which keeps you informed about the status of script and how long it takes to get completed. Lines to Once the needed information are gathered from each single event, we need to place them in a nice, clean table. The time format should be in a form which is understandable for XML filtering. Image Showing final result Lines to Here and for the last time, the result is filtered against our exclusion list which we covered them before.
In next step, the necessary variables are calculated and are sent to DC along with filter required to query the events for our selected user.
Conclusion In this guide we learned how to utilize the basic event viewer and combine it with our PowerShell codes to find out the list of workstations where a user has logged on. If you are interested to find out, to which workstations a user has logged on in last 10 days, feed this parameter with Since this variable is an array, we will use it later to extract required information which is covered in next image. Begin section Right after param section, we have Begin section. After running, you will be presented with a progress bar which keeps you informed about the status of script and how long it takes to get completed.
Begin section Right after param section, we have Begin section. We need to calculate the current data and past date in order to create the duration format of our query. Here it comes the actual work. It does not require WinRM for this to occur. Also, this can take quite a while to execute if the logs are really big. End Section This section will show the final result.
Image Check if user exist or not. If you are interested to find out, to which workstations a user has logged on in last 10 days, feed this parameter with Image Query event logs for selected user. SetInfo The script needs a single parameter to indicate Logon or Logoff. Image Continue the script for next DC. When we run the script, at the beginning, it checks whether the user account exist or not.
The image below represent the first part of the main section. This is not a mandatory parameter. End Section This section will show the final result. In the following steps, the list of events is saved and the process of extracting valuable information from the gathered events will be started. SetInfo The script needs a single parameter to indicate Logon or Logoff.
You might also need to take into account the effect this script might have on replication, so please test thoroughly in a non-production environment. Lines 60, 61, These are the lines which are related to the Days parameter. Image Process gathered event logs to extract valuable info. It is pretty clear that when the entered user account does not exist, we do not have to run the rest of the scripts. Also, this can take quite a while to execute if the logs are really big. Basically the rule of thumb for this setting is, if you like to have logon audits of 10 days before, you have to wait about 10 days after increasing the event log size to get enough events populated.
Image Querying event viewer at line See Also Introduction As you know, the concept of auditing in an Active Directory environment, is a key fact of security and it is always wanted to find out what a user has done and where he did it. I clicked Add and then Browse. This filter will be sent to each domain controller to fetch information.
Image Query event logs for selected user. Because my script takes a parameter, I need to add it as I shown below. Lines to These lines will extract valuable information from each event and store them in appropriate variables. This website helped me considerably in knowing how to generate and classify the reporting. These 4 main blocks are Param, Begin, Process and End.