EXO Voice

Exchange Online

Use PowerShell formatting features to your advantage!

While troubleshooting customers' cases my colleague Tudor Chirita and I have seen many situations...

Author: Victor Legat Date: 05/23/2018

How to set up IIS to send emails using Office 365

Sometimes organizations need to set up a multifunction device or application to send email through...

Author: Cristian Nitu Date: 05/17/2018

Email Encryption in Office 365

In current times to be compliant with secure data and access, companies are challenged day by day to...

Author: Manuel Alex Pereira Date: 05/14/2018

How to copy single items from one mailbox to another by using EWS Editor

Imagine that you need to need to copy particular mailbox items (such as - mails, contacts, notes,...

Author: Silvia Marinova Date: 04/18/2018

Office Message Encryption Configuration and Troubleshooting

With Office 365 Message Encryption, an organization can send and receive encrypted email messages...

Author: Victor Legat Date: 02/26/2018

How to add a new a alias to an existing Office 365 group

Some time ago I worked with an organization that had difficulties in receiving emails on a newly...

Author: Cristian Nitu Date: 01/11/2018

Archive public folder emails older than 2 years

As we all know, retention policies aren't supported for public folder mailboxes. In case you want to...

Author: Catalin Streang Date: 12/20/2017

How to remove the MobilePhone from my Public Folder contacts?

In case you want to remove the "MobilePhone" property for all your public folder contacts, you can...

Author: Catalin Streang Date: 12/08/2017

Disable automatic forwarding in Office 365 and Exchange Server to prevent information leakage

This article is describing a brief guide on how to prevent internal users from auto-forwarding...

Author: Silvia Marinova Date: 12/07/2017

One of the required migration features (PAW) isn't enabled

Check the article I've wrote on answers.microsoft.com about this.

Author: Cristian Dimofte [MSFT] Date: 11/20/2017

Empty your online archives with EWS Managed API

In case you want to remove the content of your online archives, I have written this script that does...

Author: Catalin Streang Date: 10/29/2017

Add a Microsoft Teams bot in Channels

If you created an amazing 1:1 bot that you feel that you can share it with your colleagues or that...

Author: Cerbu Andrei Date: 10/26/2017

How to export and filter All Available MailboxDiagnosticLogs

Exchange offer us access to Mailbox Diagnostic Logs so in case of issues we know what happened with...

Author: Victor Legat Date: 10/05/2017

Merge a source and a target mailbox with EWS Managed API, in Exchange Online

Enjoy it! Prerequisites: Grant full access rights on the source and target mailboxes to a third...

Author: Catalin Streang Date: 09/12/2017

Export a mailbox to a target mailbox folder with EWS Managed API, in Exchange Online

In case you have used Search-Mailbox to export your mailbox data into a target mailbox folder and...

Author: Catalin Streang Date: 09/08/2017

Move folder content from a source mailbox to a target mailbox, in Exchange Online (EWS Managed API 2.2)

As a result of many customer inquiries, I have decided to write the script below that moves mailbox...

Author: Catalin Streang Date: 09/07/2017

How to generate a message trace with more than 5000 lines in PowerShell

Applies to: Exchange Online, Exchange Online Protection.   This scenario is addressed to companies...

Author: Melania Lungoci Date: 09/04/2017

Recover public folder deleted items with EWS Managed API and Exchange Online PowerShell

As we all know, when you want to recover public folder deleted items, you use the Outlook client -...

Author: Catalin Streang Date: 08/31/2017

Recover deleted items from a group mailbox with EWS Managed API 2.2

In case you're interested in recovering the deleted items from a group mailbox... Prerequisites:...

Author: Catalin Streang Date: 08/07/2017

Empty/clean up a group mailbox with EWS Managed API 2.2

There is not much to say here. Hope you'll find it useful! Feel free to share your opinions. :)...

Author: Catalin Streang Date: 08/07/2017

Forwarding rule from a mail-enabled public folder

How can we forward the emails sent to a mail-enabled public folder I. Configure the delivery options...

Author: Catalin Streang Date: 07/14/2017

Known solutions for hybrid migrations errors

This article documents some of the most common errors related to failed hybrid migrations, along...

Author: Nicu Simion Date: 06/30/2017

How to extract and analyze the errors from the hybrid migration report using PowerShell

Best practices for making the troubleshooting much easier Before jumping to the report analysis...

Author: Nicu Simion Date: 06/29/2017

Create a custom user role in Exchange Online using RBAC - part 2

Hi guys, In this second part, I have written a script that creates a new user role using a given...

Author: Catalin Streang Date: 06/14/2017

Error - 'You cannot have both ArchiveDatabase and ArchiveDomain set.' - when performing a dial tone recovery for mailboxes on-premises that have online archives

The issue below can be noticed when performing a dial tone recovery of a database. (Using DAG as per...

Author: Silvia Marinova Date: 05/09/2017

Create a custom user role in Exchange Online using RBAC - part 1

Hi Exchange Online bloggers, I have wrote the script below in order to automate the creation of a...

Author: Catalin Streang Date: 05/08/2017

Scripting a Mailbox recovery

I have been helping a large number of customers to recover mailboxes that were deleted, in the...

Author: Razvan Rizeanu Date: 05/01/2017

Recover deleted items from a group mailbox in Office 365

Hi guys, I will speak in this blog about the steps that we need to follow when we  want to recover...

Author: Catalin Streang Date: 04/26/2017

List the users that have Automapping enabled for a given mailbox

This article is presenting a script that I made in order to find out which are the users that have...

Author: Catalin Streang Date: 04/25/2017

Mailboxes not being migrated to Exchange Online because their sizes exceed the mailbox target quota of 50GB

After the recent changes related to increasing of the mailboxes size in Exchange Online from 50GB to...

Author: Silvia Marinova Date: 03/23/2017

Outlook in Online Mode is not working as I am expecting

This article is meant to threat the performance from the network perspective. Please keep in mind...

Author: Daniel Calin Date: 03/22/2017

How to see the IP addresses from where your Office 365 users are accessing their mailbox

In our support experience we had multiple cases where customers wanted to know the IP address from...

Author: Nicu Simion Date: 03/14/2017

Is there a way to release the license of an user that left the company, but in the same time, to keep the mailbox?

All started with the following question: Is there a way to release the license of an user that left...

Author: Cristian Dimofte [MSFT] Date: 03/02/2017

How to resolve the following issue: you re-enable an account of a returning employee, you assigned a license, but the mailbox is not provisioning.

A lot of customers open cases with Office 365 support saying: the mailbox is not provisioning. In...

Author: Costin Barzon Date: 02/11/2017

Moderated Group scenario in Hybrid configuration

If we have a Hybrid Environment and we want to use Distribution Groups (Lists) with moderation, I...

Author: Costin Barzon Date: 02/05/2017

Move folders and subfolders with EWS Managed API, in Exchange Online

Remaining on the same note from my previous post that speaks about email messages moves from a...

Author: Catalin Streang Date: 02/03/2017

Move email messages from a source folder to a target folder with EWS Managed API 2.2, in Exchange Online (including archive mailbox folders)

I have recently heard that there are customers interested in finding a way to move hundreds of...

Author: Catalin Streang Date: 01/24/2017

Recover soft-deleted mailboxes in an Exchange Hybrid scenario

I have encountered a lot of situations where IT Administrators have difficulties in recovering a...

Author: Razvan Rizeanu Date: 01/20/2017

What to do when emails sent to a Dynamic Distribution Group are received by unwanted external recipients.

A DDG (Dynamic Distribution Group) is a mail-enabled Active Directory group, object that is created...

Author: Costin Barzon Date: 01/16/2017

Folder class conversion from IPF.Imap to IPF.Note using EWS Managed API 2.2 and Application Impersonation, in Exchange Online

As a result of a discussion that I had with one of my colleagues after publishing the article about...

Author: Catalin Streang Date: 01/15/2017

Delete a list of folders from specific mailboxes with EWS Managed API 2.2 and Application Impersonation, in Exchange Online

Some time ago, I worked with a customer that wanted to remove a folder that he had created in...

Author: Catalin Streang Date: 01/12/2017

The Story of Message Size Limits and Remote Mailboxes

One of the more common configurations we see administrators implement in Exchange is a message size...

Author: Mirela Buruiana Date: 12/12/2016

In-Place Hold feature and user License changes in Office 365

Today we are going to speak about an issue I recently came across, which doesn’t have an easy...

Author: EXO Voice Date: 12/12/2016

Public folders data recovery scenarios

In Exchange Online, when it comes to public folder data recovery, we can have three scenarios:...

Author: Catalin Streang Date: 11/23/2016

How to restore an inactive mailbox for a federated user in an Exchange Hybrid deployment

This article describes the basic steps that any Exchange Administrator can take to recover an...

Author: AlexCiobanu Date: 11/21/2016

A basic guide on troubleshooting S/MIME issues

What is S/MIME and what is it used for: S/MIME (Secure/Multipurpose Internet Mail Extensions) is a...

Author: Ioana Anton Date: 11/09/2016

How to fix Office365 user provisioning issues that are generated by faulty Exchange attributes

The steps described in this article can be applied only to scenarios where you have the users synced...

Author: Nicu Simion Date: 11/07/2016

Unable to delete items from mailbox / Unable to delete items from calendar.

If you encounter the following type of issue: a user is not able to delete items from his mailbox...

Author: Costin Barzon Date: 11/01/2016

Restore Out of Office state after Hybrid Migration

In the last couple of years in Exchange Online support, me and my colleagues from EMEA Office 365...

Author: Costin Barzon Date: 10/27/2016

Basic troubleshooting of Outlook connectivity in Office 365, from the network perspective

When dealing with Outlook and Exchange Online troubleshooting it is a must that we do not exclude...

Author: Daniel Calin Date: 10/24/2016

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