Does deleting a user turn forwarding off?

abuhaneef
abuhaneef used Ask the Experts™
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I currently have a user absde@abc.com forwarding to user@efg.com.  When deleting a user/mailbox (absde@abc.com) in O365 (hybrid), is the forwarding turned off?
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JohnBusiness Consultant (Owner)
Most Valuable Expert 2012
Expert of the Year 2018

Commented:
See:

https://docs.microsoft.com/en-us/office365/admin/add-users/remove-former-employee?view=o365-worldwide

Quoting from the article "If you're setting up email forwarding or a shared mailbox, at the end, don't delete the former employee's account. The account needs to be there to anchor the email forwarding or shared mailbox."
MaheshArchitect
Distinguished Expert 2018

Commented:
it depends how you set forwarding?

if forwarding is set on mailbox and mailbox itself not available forwarding will also not work

however if you set transport rule to forward email, it will still forward emails even after  you delete account - this need to be tested as I don't have lab write now
if you have used forwardingsmtpaddress attribute on the mailbox to forward, then as long as the mailbox is active and accepting emails the forwarding should work.

it is best advised that you should do a use case to test what happens to the office 365 mailbox and forwarding once you delete the on premise object.

generally, in DirSynced scenario, it will also remove the office 365 Ad account, due to which the mailbox will become inactive and the forwarding will no longer work.
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Saif ShaikhServer engineer

Commented:
if you delete a mailbox any attribute with regards to mail, mailnickname, smtp, proxyaddress, forwardingsmtpaddress gets removed.

Meaning there will not be any attributes of exchange only AD attributes so yes forwarding will be turned off.

Author

Commented:
Mail was forwarded with the following:
Set-Mailbox -Identity $internalemail  -DeliverToMailboxAndForward $False -ForwardingSMTPAddress $externalemail
Business Consultant (Owner)
Most Valuable Expert 2012
Expert of the Year 2018
Commented:
You need the user's account to be active as stated above.

Author

Commented:
Thanks John.  We are trying to reduce O365 licenses, but I have found that when the license is removed, forwarding ceases.  Is there a way to implement forwarding without retaining the license/account?
JohnBusiness Consultant (Owner)
Most Valuable Expert 2012
Expert of the Year 2018

Commented:
I don't think so. Forward for 30 days and then delete the account and the forwarding
MaheshArchitect
Distinguished Expert 2018

Commented:
Agreed above
Forwarding should be kept with vip personal for extended period

Still if you want, you can create contact of user and set forwarding in contact properties

Author

Commented:
Thanks!
JohnBusiness Consultant (Owner)
Most Valuable Expert 2012
Expert of the Year 2018

Commented:
You are very welcome and I was happy to help you.

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