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Get-EventLogLevel

Use the Get-EventLogLevel cmdlet to display a list of Exchange event categories and the corresponding log levels on Exchange servers. Exchange PowerShell reference

From the Exchange PowerShell reference 3 parameters Its page in the reference

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Parameters

3 in the Exchange PowerShell reference
-IdentityThe Identity parameter filters the results by the name of the event category.
-ServerThe Server parameter specifies the Exchange server where you want to run this command.
-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.