Scenario: Customers are complaining about connectivity issues and degraded performance with their mail clients. You suspect its due to backpressure on a server, but you want to dig a little deeper.
Troubleshooting:
1.Check for Windows Event 2002 “The number of outstanding requests for guard TargetBackend has exceeded the max limit 150. Current request will be rejected” by running this PowerShell command:
2. Check the number of mounted copies of mounted Exchange Databases on each server and manually spread them out:
(get-mailboxdatabasecopystatus -server <remote computer> | Where status -like Mounted).count
3. Check for user counts and compare against each server by running this Powershell Command:
(Get-WmiObject Win32_LoggedOnUser -ComputerName <remote computer>| Select Antecedent -Unique).count
Ex-Shell 