Configure the external postmaster address in Exchange Online

Configure the external postmaster address in Exchange Online The external postmaster address is used to send notification messages to senders outside of your Exchange Online...

How to Export Exchange Online Transport Rules

Export Exchange Online Transport Rules In this post, I will focus on how to export Exchange Online Transport rules using PowerShell. To get started we first...

Bulk Enable Exchange Online Archiving

Bulk Enable Exchange Online Archiving This below script simply just enables the Online Archiving Mailbox for users in Exchange Online. The script needs to be run...

How to create Office 365 Users using PowerShell

How to create Office 365 Users using PowerShell In this post, I will look at how we can create new Office 365 Users using PowerShell...

Error Connecting to Exchange Online PowerShell with MFA enabled.

Error Connecting to Exchange Online PowerShell with MFA enabled. When you try to connect to Exchange Online using PowerShell you receive the following error. The Cause...

How to set Exchange Online mailbox sizes and limits in the...

INTRODUCTION This article describes how to use Exchange Online PowerShell to set Exchange Online mailbox sizes and limits in the Microsoft Office 365 environment. To set...

Exchange 2016 Hybrid Configuration

Exchange 2016 Hybrid Configuration A hybrid deployment is a combination of on-premises applications and cloud-based services. For example, Exchange hybrid solutions could include using an Exchange Server on-premises and Exchange Online in Office 365. There...

Disable anonymous calendar sharing in Office 365 Admin Center and PowerShell.

Disable anonymous calendar sharing in Office 365 Admin Center and PowerShell During this post, we will run down on how to disable anonymous calendar sharing...

Create Office 365 Safe Attachments Policy and Safe attachment Rule using...

Create Office 365 Safe Attachments Policy and Safe attachment Rule using PowerShell To get started with creating the Safe attachment policy and safe attachment rule...

Office 365 Hybrid Emails Stuck in Queue: target host responded 421.4.4.1...

Office 365 Hybrid Emails Stuck in Queue: target host responded 421.4.4.1 connection timed out mail-onmicroosft.mail.protecion.outlook.com. You receive the following error after running the Hybrid Configuration...

Exchange 2016 – Fail to Send Email to newly created MailContact

"Fail" LED=550 5.7.136 RESOLVER.RST.SenderNotAuthenticatedForRecipient; authentication required; Delivery restriction check failed because the sender was not authenticated when sending to this recipient. In this post i...

Backup Office 365 Mailboxes with Veeam

How to Backup Office 365 Mailbox with VEEAM. In this post i will go through the installation and configuration of Veeam Backup for Microsoft Office...