CmdID

CmdID / PowerShell / Cmdlets / Set

Set-DiagnosticStoreCapacity

Sets the diagnostic store time and size capacity. Windows Server PowerShell reference

From the Windows Server PowerShell reference 2 parameters Its page in the reference

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Parameters

2 in the Windows Server PowerShell reference
-Size, -sSet size capacity of the diagnostic store.
-Time, -tSet time capacity of the diagnostic store.