MS Exchange Troubleshooting template

MS Exchange Troubleshooting template.

0. Physical/virtual platform config ((v)CPU, RAM, storage, network)

1. Exchange version/build/CU.
How to get: Get-Command Exsetup.exe | ForEach-Object {$_.FileVersionInfo}
List of builds: https://docs.microsoft.com/en-us/exchange/new-features/build-numbers-and-release-dates?view=exchserver-2019

2. Net Framework version.
https://docs.microsoft.com/en-us/dotnet/framework/migration-guide/how-to-determine-which-versions-are-installed

3. Free Disk Space.
Basically, you need to have minimum 10% of free spase on system/database/logs/mailqueue disks.

4. test-servicehealth

5. For Exchange >= 2013
get-servercomponentstate

6. Receive Connectors Default Settings.
https://www.petenetlive.com/KB/Article/0001314

7. Virtual Directories Default Settings.
https://docs.microsoft.com/en-us/exchange/clients/default-virtual-directory-settings?view=exchserver-2016

8. For external connectivity problems:
https://testconnectivity.microsoft.com

9. For commom internal Autodiscovery problems:
Get-ClientAccessServer * | ft name,*uri*

10. Common Exchange Backend Certificate problem:
https://support.microsoft.com/en-us/help/2779694/unable-to-open-owa-ecp-or-ems-after-a-self-signed-certificate-is-remov

11. Status: database copies, content index, DAG/network configuration
Get-MailboxDatabaseCopyStatus *
Get-DatabaseAvailabilityGroup | fl
Get-DatabaseAvailabilityGroupNetwork | fl