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...
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...
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...
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,...
Date: 04/18/2018
Office Message Encryption Configuration and Troubleshooting
With Office 365 Message Encryption, an organization can send and receive encrypted email messages...
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...
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...
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...
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...
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.
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...
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...
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...
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...
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...
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...
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...
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 -...
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:...
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. :)...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Date: 03/23/2017
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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:...
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...
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...
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...
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...
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...
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...
Date: 10/24/2016