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Category: Exchange Online

Delete items in the Recoverable Items folder in Exchange Online

2020-03-01 Martin Nyberg 2 Comments

One of the customers I work with apply extensive retention policies for mailboxes in the organization. A restrictive policy applied…

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Posted in: Exchange Online, Office 365

Migrating resource mailboxes to cloud only

2019-07-08 Martin Nyberg Leave a comment

When migrating to Office 365 there are usually at least a few advantages to keeping your user accounts synchronized with…

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Posted in: Active Directory, Azure AD, Azure AD Connect, Exchange Online, Office 365, PowerShell

Resolving issues with duplicate mailboxes in Exchange Hybrid

2019-05-13 Martin Nyberg Leave a comment

When setting up an Exchange Hybrid the msExchMailboxGuid normally helps Office 365 to determine whether a mailbox should be created…

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Posted in: Exchange Online, Office 365, PowerShell

Block IMAP and POP access using conditional access

2019-03-20 Martin Nyberg Leave a comment

This article is created as an alternative to the method described in this post please check out the post before…

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Posted in: Azure AD, Exchange Online, Office 365

Disabling IMAP and POP in Office 365

Martin Nyberg 8 Comments

During the past weeks there’s been numerous reports about an increase in malicious users attacking Office 365 utilizing legacy protocols…

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Posted in: Exchange Online, Office 365, PowerShell

Adding mail.onmicrosoft.com-addresses to all user accounts with PowerShell

2019-01-22 Martin Nyberg 5 Comments

When migrating Exchange on-premises to Exchange Online (Office 365) it is common to run into the follwing error message when…

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Posted in: Active Directory, Exchange Online, Office 365, PowerShell

About me

My name is Martin Nyberg and I've been working as a Microsoft consultant with focus on cloud services since 2011.

On this site I write about things I encounter working with Microsoft Servers, Azure, Office 365 and PowerShell.

- Microsoft 365 Certified: Enterprise Administrator Expert
- Microsoft Certified: Azure Administrator Associate
- Microsoft 365 Certified: Modern Desktop Administrator Associate

Enjoy!

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