Script needed - Remove all server-side forwarding from mailboxes where the AD account is disabled

Current client NEVER removes old mailboxes. All they do is disable the AD account and set the mailbox to be hidden from the GAL.

However, now they are aware that there are a lot of these that still have active autoforwards set to external addresses. Not good. So they want these rules gone.

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paulfoelAsked: 2016-09-08

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Todd NelsonSystems EngineerCommented: 2016-09-08

It's a bit more challenging to do for disabled accounts but you stated the accounts are disabled and the mailbox hidden from the address lists. In that case, lets target those mailboxes that are hidden from the address lists.

For all mailboxes with the HiddenFromAddressListsEnabled parameter set to true, we will disable all forwarding like this...

Get-Mailbox -ResultSize Unlimited | Where { $_.HiddenFromAddressListsEnabled -eq $true } | Set-Mailbox -DeliverToMailboxAndForward $false -ForwardingSmtpAddress $null -ForwardingAddress $null

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If you want to do it for a list of users in a CSV file (with DisabledUser as a header), we will do it like this...

Import-CSV "DisabledUsers.csv" | foreach-object { Get-Mailbox -Identity $_.DisabledUser | Set-Mailbox -DeliverToMailboxAndForward $false -ForwardingSmtpAddress $null -ForwardingAddress $null }

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Hope this helps.

LVL 26

Brian BEE Topic Advisor, Independant Technology ProfessionalCommented: 2016-09-08

Instead of that, why not dump the mailboxes to PST and delete the mailbox? Saves space and you don't have to keep old accounts around.

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MaheshArchitectCommented: 2016-09-08

even if you disable ad account and hide it from GAL, it won't stop receiving new mails on mailbox and since forwarding if removed, it will simply filling space in that mailbox and nobody will see those mails

Better if you delete mailbox as well as suggested above

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paulfoelAuthor Commented: 2016-09-09

Thanks all. Yes it would be easier to remove the old accounts of course. BUT its up to my client not me to decide this - I just advise lol.

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Brian BEE Topic Advisor, Independant Technology ProfessionalCommented: 2016-09-09

Paul, thanks for getting back to us and accepting the question. Just wanted to ask though why you accepted Mahesh's answer when all he did was agree with me?