As a consequence of the deficiency in CD40 ligand, the T-lymphocytes in patients with X-linked Hyper IgM (XHIGM) are unable to instruct B-lymphocytes to switch their production of immunoglobulins from IgM to IgG, IgA and IgE.
Windows event logs are also files, but they are commonly locked by Windows (Event Log Service) and it is impossible to open these files on live system. But if the computer is started from another disk or the system drive from the analyzed machine is connected to another computer, you can read event logs as files. The default location of event logs on Vista/2008 and better is C:\Windows\System32\winevt\Logs\.
You can see the Security log included in the list. This is the log weâll use to access security event information. When you use Get-EventLog to retrieve event information, you create a System.Diagnostics.EventLog object, and you can use any of the object's methods and properties within your PowerShell statements.One property you can use to return specific Security log information is LogDisplayName in a Where-Object subexpression.ccessing Security logs from a local computer requires procedures and scripting different from those required to retrieve information from a remote computer. On a local computer, the PowerShell Get-EventLog cmdlet is the primary command used to access system event logs, including Security event logs.