Sunday , December 15 2019

NDR Full access and Send on Behalf permissions over Shared Mailboxes

Suddenly some of our users who have shared mailboxes configured in their Primary Outlook Profile created outlook rules and removed the shared mailbox from their profile. Started receiving Non Delivery reports while using shared mailboxes using their Outlook rule on shared mailboxes to forward emails. After looking into it. It happened over the newly updated machines.

Looks like these mailboxes have send on behalf and full access over shared mailboxes but shared mailbox is not opened by the user on the primary profile.  Once we provided send as permission over the shared mailboxes. it resolved the same.

Consider the following scenario:

  • You have Full Access and Send On Behalf Of permissions to a shared mailbox in an Exchange Server environment.
  • You configure a Microsoft Outlook profile for the shared mailbox and enter your own credentials to access it.
  • You send an email message from this Outlook profile.

Similar error in Outlook Online mode as well

image

NDR Reference _ 1


From: System Administrator
Sent: Tuesday, November 19, 2019 11:07 AM

Subject: Undeliverable: xxxx

Your message did not reach some or all of the intended recipients.

Subject:  xxxxx
Sent:     19/Nov/2019 11:06 AM

The following recipient(s) cannot be reached:

Tam on 19/Nov/2019 11:07 AM
This message could not be sent. Try sending the message again later, or contact your network administrator. You do not have the permission to send the message on behalf of the specified
user. Error is [0x80070005-0x0004dc-0x000524].

Frank on 19/Nov/2019 11:07 AM
This message could not be sent. Try sending the message again later, or contact your network administrator. You do not have the permission to send the message on behalf of the specified
user. Error is [0x80070005-0x0004dc-0x000524].

Salem on 19/Nov/2019 11:07 AM
This message could not be sent. Try sending the message again later, or contact your network administrator. You do not have the permission to send the message on behalf of the specified
user. Error is [0x80070005-0x0004dc-0x000524].

Sath on 19/Nov/2019 11:07 AM
This message could not be sent. Try sending the message again later, or contact your network administrator. You do not have the permission to send the message on behalf of the specified
user. Error is [0x80070005-0x0004dc-0x000524].

NDR Reference _ 2


Subject: Undeliverable:

Your message did not reach some or all of the intended recipients.

The following recipient(s) cannot be reached: Sath on This message could not be sent. Try sending the message again later, or contact your network administrator. Error is [0x80070005-00000000-00000000].

Reference –

https://docs.microsoft.com/en-us/exchange/troubleshoot/shared-mailboxes/cannot-send-email-with-full-access

About Satheshwaran Manoharan

Satheshwaran Manoharan is an Microsoft Office Server and Services MVP , Publisher of Azure365pro.com. Specialized in Office365 / Microsoft Exchange / Virtualization , Sathesh is an Messaging Expert supporting/Designing/Deploying many medium size businesses to large enterprises when it comes to Corporate messaging and Virtualization Infrastructure

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