Category: Exchange

Exchange Modern public folders and how-to cope with them.

With Exchange Hybrid public folders there is two options, either Legacy or Modern. You always have to migrate them to the cloud either thru Exchange Hybrid (13,16 and 19) and Exchange Hybrid (10) or with Third-party tools. If You have…

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Azure Dynamic Groups and how to use Extended attribute.

I wondered how to automagically add users to an Azure AD group with after their mailboxes have been migrated to the Cloud thru an Exchange Hybrid (Classic or Modern) And I figured out this one. Users get always populated with…

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Cutover-migration from SFB Onpremises to Teams with Enterprise Voice.

Hi all, I known that this one has been on all of the bloggers concerning Enterprise Voice and hybrids, but. There is some findings that I discovered during my migrations and I want to point them out. First, when You…

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Search-Mailbox and overcoming 10.000 item limit.

So You have a mailbox that is filled with spam, phishing or whatever emails that You dont want. I have to say that Microsoft’s new command (new-compliancesearchaction) seems nice, but doesnt work. new-compliancesearch and then start-compliancesearch find messages, but thats…

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O365 hybrid mailbox move, “A corrupted item was encountered: Unable to translate principals for folder”

When moving mailboxes to exchange online, you will probably get errors like this “A corrupted item was encountered: Unable to translate principals for folder” Some of these errors occur for a reason that all the users which have permissions to other user mailbox folders…

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Get updates /w Email when EOP smtp ip-addresses change.

Using a ready script Get-Office365Endpoints.ps1 connect to https://endpoints.office.com. Filter that information with IPV4 and SMTP, then send it as txt-file thru Exchange Online using smtp.office365.com If the endpoint txt-file is found script is stopped. Also includes Aes-encryption for secure password storing….

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Public folders in Hybrid Screnario

Hi all, Public Folders and Hybrid mode. Not really a hybrid mode cause all mailboxes reside in the Cloud, also PF Mailboxes. First set Default PF for all mailboxes.

When sending email from outside organization sender will get. 550…

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Office 365 Group and alias email-address.

If You want to archive this You have to use Powershell. Connect to Exchange Online Powershell and use the command below:

Happy Powershelling,

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Exchange updates

Updates have been released for Exchange 2013 and 2016. https://blogs.technet.microsoft.com/exchange/2017/09/19/released-september-2017-quarterly-exchange-updates/ If You are using a Hybrid, You have to update these to be supported.

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Recipient deferred because there is no Mdb.

So You see this error in NDR when the message bounces back. In my case I had a normal AD User with mail-attribute populated. Exchange figured out that this user has a mailbox inside the organization. It wasn’t. The user…

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