Event Logging Level Mass Change

For those times when you can't find the problem with the normal low logging enabled

you can throw logging into over drive on all the components of exchange to help out

Set all Event logging to Expert:

ALL:

Get-EventLogLevel | Set-EventLogLevel -Level Expert  

Just unified:

Get-EventLogLevel | where {$_identity -like "*unified*"} | Set-EventLogLevel -level low / expert

Set all Event logging to Low:

Get-EventLogLevel | Set-EventLogLevel -Level Low