Get-SettingOverride -Identity "MdbReplication" | Select -ExpandProperty Parameters
Get-SettingOverride -Identity "CiAgeOfLastNotification" | Select -ExpandProperty Parameters
Get-SettingOverride -Identity "MdbAvailability" | Select -ExpandProperty Parameters
Get-SettingOverride -Identity "DiskLatency" | Select -ExpandProperty Parameters
Get-SettingOverride -Identity "MdbDiskLatency" | Select -ExpandProperty Parameters

$limit = 25
New-SettingOverride -Name "MdbReplication" -Component WorkloadManagement -Section MdbReplication -Parameters @("MaxConcurrency=$limit") -Reason "Allow more simultaneous mailbox moves"
New-SettingOverride -Name "CiAgeOfLastNotification" -Component WorkloadManagement -Section MdbReplication -Parameters @("MaxConcurrency=$limit") -Reason "Allow more simultaneous mailbox moves"
New-SettingOverride -Name "MdbAvailability" -Component WorkloadManagement -Section MdbReplication -Parameters @("MaxConcurrency=$limit") -Reason "Allow more simultaneous mailbox moves"
New-SettingOverride -Name "DiskLatency" -Component WorkloadManagement -Section MdbReplication -Parameters @("MaxConcurrency=$limit") -Reason "Allow more simultaneous mailbox moves"
New-SettingOverride -Name "MdbDiskLatency" -Component WorkloadManagement -Section MdbReplication -Parameters @("MaxConcurrency=$limit") -Reason "Allow more simultaneous mailbox moves"

$limit = 35
Set-SettingOverride -Identity "MdbReplication" -Parameters @("MaxConcurrency=$limit")
Set-SettingOverride -Identity "CiAgeOfLastNotification" -Parameters @("MaxConcurrency=$limit")
Set-SettingOverride -Identity "MdbAvailability" -Parameters @("MaxConcurrency=$limit")
Set-SettingOverride -Identity "DiskLatency" -Parameters @("MaxConcurrency=$limit")
Set-SettingOverride -Identity "MdbDiskLatency" -Parameters @("MaxConcurrency=$limit")