Update Set-MailPublicFolder.md

Author: dariomws

exchange/exchange-ps/exchange/sharing-and-collaboration/Set-MailPublicFolder.md

@@ -700,6 +700,8 @@ To specify the primary SMTP email address, you can use any of the following meth
 
 - Use the PrimarySmtpAddress parameter instead. You can't use the EmailAddresses parameter and the PrimarySmtpAddress parameter in the same command.
 
+The PrimarySmtpAddress parameter updates the primary email address and WindowsEmailAddress property to the same value.
+
 To replace all existing proxy email addresses with the values you specify, use the following syntax: "\<Type\>:\<emailaddress1\>","\<Type\>:\<emailaddress2\>",..."\<Type\>:\<emailaddressN\>".
 
 To add or remove specify proxy addresses without affecting other existing values, use the following syntax: @{Add="\<Type\>:\<emailaddress1\>","\<Type\>:\<emailaddress2\>",...; Remove="\<Type\>:\<emailaddress2\>","\<Type\>:\<emailaddress2\>",...}.
@@ -1213,7 +1215,11 @@ Accept wildcard characters: False
 ```
 
 ### -PrimarySmtpAddress
-The PrimarySmtpAddress parameter specifies the primary return email address that's used for the recipient.
+The PrimarySmtpAddress parameter specifies the primary return email address that's used for the recipient. You can't use the EmailAddresses and PrimarySmtpAddress parameters in the same command.
+
+If you set the EmailAddressPolicyEnabled parameter to $false, you can specify the primary address using the PrimarySmtpAddress parameter, but that means the email addresses of the mail user no longer automatically updated by email address policies.
+
+The PrimarySmtpAddress parameter updates the primary email address and WindowsEmailAddress property to the same value.
 
 ```yaml
 Type: SmtpAddress
@@ -1484,7 +1490,13 @@ Accept wildcard characters: False
 ```
 
 ### -WindowsEmailAddress
-The WindowsEmailAddress parameter specifies an email address in the format [email protected].
+The WindowsEmailAddress parameter specifies the Windows email address for this recipient. This is a common Active Directory attribute that's present in all environments, including environments without Exchange. Using the WindowsEmailAddress parameter on a recipient has one of the following results:
+
+- In environments where the recipient is subject to email address policies (the EmailAddressPolicyEnabled property is set to the value True for the recipient), the WindowsEmailAddress parameter has no effect on the WindowsEmailAddress property or the primary email address value.
+
+- In environments where the recipient isn't subject to email address policies (the EmailAddressPolicyEnabled property is set to the value False for the recipient), the WindowsEmailAddress parameter updates the WindowsEmailAddress property and the primary email address to the same value.
+
+The WindowsEmailAddress property is visible for the recipient in Active Directory Users and Computers in the E-mail attribute. The attribute common name is E-mail-Addresses, and the Ldap-Display-Name is mail. If you modify this attribute in Active Directory, the recipient's primary email address is not updated to the same value.
 
 ```yaml
 Type: SmtpAddress