Exchange Su güncellemesi sonrası Search çalışmıyorsa outlooklarda yada yavaş ise

New-SettingOverride -Name "Big Funnel Permanent Retry" -Component "BigFunnel" -Section "BigFunnelFailedItemsQuerySettings" -Parameters "ExcludePermanentFailures=false" -Reason "Re-Index Messages" -MinVersion "15.2.1544.13" -MaxVersion "15.2.1544.13"

Sonra güncelleme 

Get-ExchangeDiagnosticInfo -Process Microsoft.Exchange.Directory.TopologyService -Component VariantConfiguration -Argument Refresh

Start-MailboxAssistant -Identity mesut.selen@cozumtek.com -AssistantName BigFunnelRetryFeederTimeBasedAssistant

Olmaz ise HU2 yi geç 2019 için

https://www.microsoft.com/en-us/download/details.aspx?id=106021

Diğer SU lar aşağıda

https://support.microsoft.com/en-us/topic/hotfix-update-for-exchange-server-2019-and-2016-april-23-2024-kb5037224-35eddea8-4828-4e38-b462-db89ea1100c9