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Category: Exchange Online

Configure Azure AD Connect Pass Through Authentication

Configure Azure AD Connect Pass Through Authentication Azure pass-through authentication allows user to login to cloud and on-premise applications by using the same passwords. Pass-through authentication validated the password against the on-premise active directory. Prerequisite needed: Global Admin account Azure AD Connect 1.1.750.0 or later Windows Server 2012 R2 or later with TLS 1.2 enabled…

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

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 a connection to Exchange Online Protection needs to be established. To establish a connection to Exchange Online Protection (EOP), follow the below.

Then import the new session

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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 organisation. External senders are a sender with a domain that is not part of your accepted domain in your organisation. The default setting in Exchange Online for the postmaster address…

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Get-AzureADDirectorySettingTemplate : The term ‘Get-AzureADDirectorySettingTemplate’ is not recognized.

Get-AzureADDirectorySettingTemplate : The term ‘Get-AzureADDirectorySettingTemplate’ is not recognized. You receive the following error when trying to execute the following cmdlet: Get-AzureADDirectorySettingTemplate. To resolve this error, you need to install the following PowerShell Module AzureADPreview. But you will find that users have installed the PowerShell Module AzureAD and this Module does not have the cmdlets for…

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Office 365 Hybrid Emails Stuck in Queue: target host responded 421.4.4.1 connection timed out mail-onmicroosft.mail.protecion.outlook.com.

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 wizard, all emails are building up in the Exchange Queue. To resolve this issue, follow the below steps. Make sure that the all your exchange servers are added to the…

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How to Enable Mailbox Auditing in Office 365

How to Enable Mailbox Auditing in Office 365 By default, all non-owner access and administrative actions are recorded, but owner actions are not. Enabling mailbox auditing will include owner activity in the audit records, which will in turn enable you to investigate and scope a compromise of that user’s account. To enable auditing, The Microsoft…

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User receive the following NDR trying to send email from Exchange Online: 550 5.1.8 Access denied, bad outbound sender.

User receive the following NDR trying to send email from Exchange Online: 550 5.1.8 Access denied, bad outbound sender. If you receive the following error, then it means that your account has been sending out too much spam and has been blocked from sending emails. Typically, this problem occurs because the users account has been…

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Block Office 365 Sign-In based on On-premise Active Directory Security Group.

Block Office 365 Sign-In based on On-premise Active Directory Security Group. The purpose of this guide is the assist support staff to block access to multiple accounts that has been compromised. To get started, login to Azure Active Directory Portal. https://portal.azure.com 1 From the Main menu, click on Azure Active Directory on the left-hand side.…

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The Connection to the Server could not be completed Migrating to Exchange Online

The Connection to the Server could not be completed Migrating to Exchange Online Use receive the following error when migrating from Exchange On-Prem to Exchange Online. After receiving this issue, I decided to look further into the MigrationEndPoint using PowerShell for EXO.

Here I can see that the user who created the Hybrid Setup…

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Enable MFA without assigning Global Admin Privileges to support staff

Enable MFA without assigning Global Admin Privileges to support staff The purpose of this post is to provide an alternative method of enabling MFA on user accounts without assigning Global Admin Permissions to all support staff. Please take note that this solution is based on Azure AD Conditional Access. This option can be used to…

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