Update remove-former-employee-step-1.md

microsoft-365/admin/add-users/remove-former-employee-step-1.md

@@ -32,6 +32,24 @@ search.appverid:
 description: "Global administrators can block a former employee from logging in and block their access to Microsoft 365 services."
 ---
 
+## What you need to know about terminating an employee's email session
+
+The following information explains how to remove an employee from the organization's email (Exchange):
+
+|What you can do|How you do it|
+|:-----|:-----|
+|Terminate a session (such as Outlook on the web, Outlook, or Exchange active sync) and force them to open a new session.|Reset password.|
+|Terminate a session and block access to future sessions (for all protocols).|Disable the account, for example, in the Exchange admin center or using PowerShell: <p>  `Set-Mailbox user@contoso.com -AccountDisabled:$true`.|
+|Terminate the session for a particular protocol (such as ActiveSync).|Disable the protocol, for example, in the Exchange admin center or using PowerShell: <p>  `Set-CASMailbox user@contoso.com -ActiveSyncEnabled:$false`.|
+
+These operations can be done in three different places:
+
+|If you terminate the session here|How long does it take|
+|---|---|
+|In the Exchange admin center or using PowerShell.|Expected delay is approximately 30 minutes.|
+|In the Azure Active Directory admin center.|Expected delay is 60 minutes.|
+|In an on-premises environment.|Expected delay is 3 hours or more.|
+
 # Step 1 - Prevent a former employee from logging in and block access to Microsoft 365 services
 
 If you need to immediately prevent a user's sign-in access, you should reset their password. In this step, force a sign out of the user from Microsoft 365.