shared-mailboxes-outlook-and-private-messages on exchange 2016

Louis Ruth 1

i checked exchange online have private item -SharingPermissionFlags paramemeter , how to solve on exchange 2016 on-primes enviroment

2 answers

Vasil Michev 95,581 Reputation points MVP

2021-03-18T13:18:21.4+00:00

This flag is only available in Exchange Online, as mentioned in the documentation: https://learn.microsoft.com/en-us/powershell/module/exchange/add-mailboxfolderpermission?view=exchange-ps
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Louis Ruth 1 Reputation point

2021-03-19T04:16:14.453+00:00

yes , i know but now happen our exchange 2016 on primes enviroment , i try to add -Delegate access: and already add this and already grant inbox right to user for owner right

but i still cannot read on my own account , but i access owa to open other mailbox is ok to read all security level private email , dont know how to solve this issue

What 5 Reputation points

2024-04-19T09:34:39.84+00:00

Well, it says "Applies to:

Exchange Server 2010, Exchange Server 2013, Exchange Server 2016, Exchange Server 2019, Exchange Online"
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Eric Yin-MSFT 4,386 Reputation points

2021-03-19T02:43:39.307+00:00
If you want a delegator that receives and manage meeting request for you, you can try:

Add send on behalf permission in EAC or powershell: Set-mailbox Boss -GrantSendOnBehalfTo user1

In Outlook client, share Boss's calendar with user1 in File-Account settings-Delegate access:

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Louis Ruth 1 Reputation point

2021-03-19T04:16:23.067+00:00

yes , i know but now happen our exchange 2016 on primes enviroment , i try to add -Delegate access: and already add this and already grant inbox right to user for owner right

but i still cannot read on my own account , but i access owa to open other mailbox is ok to read all security level private email , dont know how to solve this issue

Eric Yin-MSFT 4,386 Reputation points

2021-03-22T05:23:33.107+00:00

"i still cannot read on my own account"
-What do you want to achieve?

If the issue only happens when userA sharing calendar with userB, you can try removing all (folder) permissions and then re-add them with powershell.

Louis Ruth 1 Reputation point

2021-03-23T06:24:37.597+00:00

"i still cannot read on my own account"
-What do you want to achieve?

i put my account to full access and delegate access to this sharedmailbox also

but i discover also cannot read the private message

i try to remove and re-add the sharedmailbox right to user and delegate access action still not work

not concern calendar sharing , only focus inbox which security as private message , outlook client not enable to read

Eric Yin-MSFT 4,386 Reputation points

2021-03-23T06:36:15.643+00:00

Try this command:
Add-MailboxFolderPermission -Identity ayla@Company portal .com:\Inbox -User laura@Company portal .com -AccessRights Editor -SharingPermissionFlags Delegate,CanViewPrivateItems
Add the shared mailbox again, make sure the user mailbox is not added as addition account in Outlook, and automapping is removed.

Eric Yin-MSFT 4,386 Reputation points

2021-03-26T08:59:38.44+00:00

I am writing here to confirm with you how the thing going now?
If you need further help, please provide more detailed information, so that we can give more appropriate suggestions.

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Louis Ruth 1 Reputation point

2021-04-19T04:34:07.137+00:00

my enviroment is 2016 on-primes exchange is it have not this parameter?

when i ran command have this result

A parameter cannot be found that matches parameter name 'SharingPermissionFlags'.

CategoryInfo : InvalidArgument: (:) [Add-MailboxFolderPermission], ParameterBindingException

FullyQualifiedErrorId : NamedParameterNotFound,Add-MailboxFolderPermission

PSComputerName : hkbcexg01a.bluecross.com.hk

Eric Yin-MSFT 4,386 Reputation points

2021-04-19T05:51:31.443+00:00

Oh forgot it's for Exchange online, just the command without sharingpermissionflag.

Louis Ruth 1 Reputation point

2021-04-19T06:18:34.58+00:00

Eric
for on primes exchange face this issue how to solve?

Eric Yin-MSFT 4,386 Reputation points

2021-04-19T07:10:55.067+00:00

In my lab, setting the delegate permissions like above should work.
Try:

Open Shared mailbox-File-Account settings-Delegate access, remove the mailbox permission:

Restart Outlook

Re-add the permission:

4 Restart the problematic user's Outlook, if still can't see private messages, manually update the folder.
5 Re-create the profile if necessary.
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