Update Set-User.md

chrisda · chrisda · commit 189d71e05741 · 2020-02-24T11:17:18.000-08:00
Per Issue #4963
diff --git a/exchange/exchange-ps/exchange/users-and-groups/Set-User.md b/exchange/exchange-ps/exchange/users-and-groups/Set-User.md
@@ -737,7 +737,10 @@ Accept wildcard characters: False
 ### -PermanentlyClearPreviousMailboxInfo
 The PermanentlyClearPreviousMailboxInfo switch specifies whether to clear the Exchange mailbox attributes on a user. You don't need to specify a value with this switch.
 
-Clearing these attributes might be required in mailbox move and re-licensing scenarios between on-premises Exchange and Office 365.
+Clearing these attributes might be required in mailbox move and re-licensing scenarios between on-premises Exchange and Office 365. For more information, see [Permanently Clear Previous Mailbox Info](https://techcommunity.microsoft.com/t5/exchange-team-blog/permanently-clear-previous-mailbox-info/ba-p/607619).
+
+> [!CAUTION]
+> This switch permanently deletes the existing cloud mailbox and its associated archive, prevents you from reconnecting to the mailbox, and prevents you from recovering content from the mailbox.
 
 ```yaml
 Type: SwitchParameter
