Merge pull request MicrosoftDocs#5386 from loskinski/patch-10

ExplicitLogonEnabled not supported in EXO

Author: chrisda

exchange/exchange-ps/exchange/client-access/Set-OwaMailboxPolicy.md

@@ -753,6 +753,8 @@ Accept wildcard characters: False
 ```
 
 ### -ExplicitLogonEnabled
+This parameter is available only in on-premises Exchange.
+
 The ExplicitLogonEnabled parameter specifies whether to allow a user to open someone else's mailbox in Outlook on the web (provided that user has permissions to the mailbox). Valid values are:
 
 - $true: A user with the required permissions is able to open someone else's mailbox in Outlook on the web. This is the default value.
@@ -763,7 +765,7 @@ The ExplicitLogonEnabled parameter specifies whether to allow a user to open som
 Type: Boolean
 Parameter Sets: (All)
 Aliases:
-Applicable: Exchange Server 2010, Exchange Server 2013, Exchange Server 2016, Exchange Server 2019, Exchange Online
+Applicable: Exchange Server 2010, Exchange Server 2013, Exchange Server 2016, Exchange Server 2019
 
 Required: False
 Position: Named