Differences

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--- course:office_365:start [2022/04/08 14:07] – [General] don.lee
+++ course:office_365:start [2025/01/03 13:19] (current) – don.lee
@@ Line 1: / Line 1: @@
 ====== Microsoft 365 ======
+===== Remove blocked users from the Restricted entities page =====
+  * https://learn.microsoft.com/en-us/defender-office-365/outbound-spam-restore-restricted-users
 ===== First Time Login =====
@@ Line 21: / Line 26: @@
     * https://social.technet.microsoft.com/wiki/contents/articles/30462.catch-all-mailbox-office365.aspx
   * [[course:office_365:disable password expiry:|Disable Password Expiry]]
+  * [[course:office_365:allow user send as alias:|Allow user send as alias]]
 ===== Troubleshooting =====
@@ Line 36: / Line 42: @@
     * it may take an hour to be effective
+==== Enable-OrganizationCustomization ====
+<note important>The command you tried to run isn't currently allowed in your organization. To run this command, you first need to run the command: Enable-OrganizationCustomization.</note>
+Need to connect to M365 via PowerShell to enable it. It will take some times (1 hour) to be ready. Then you could go back to the GUI to setup.
+https://docs.microsoft.com/en-us/powershell/exchange/connect-to-exchange-online-powershell?view=exchange-ps
+Connect M365 via PowerShell
+  * Run Windows PowerShell as Administrator
+  * connect to your M365 with this command, replace navin@contoso.com with your username
+<code>
+PS C:\Windows\system32> Import-Module ExchangeOnlineManagement
+PS C:\Windows\system32> Connect-ExchangeOnline -UserPrincipalName navin@contoso.com
+</code>
+  * Run Enable-OrganizationCustomization
+<code>
+PS C:\Windows\system32> Enable-OrganizationCustomization
+</code>
+The output may display "This operation is not required. Organization is already enabled for customization.". It is okay and just wait an hour for it to be completed.