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Category: Exchange Server

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

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

Published by lazy-admin on Mar 13, 2019

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

Published by lazy-admin on Feb 7, 2019

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.

Published by lazy-admin on Dec 11, 2018

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.

Published by lazy-admin on Aug 8, 2018

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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Exchange 2016 Uninstall Fails on Mailbox Server Role: Client Access Service

Exchange 2016 Uninstall Fails on Mailbox Server Role: Client Access Service

Published by lazy-admin on Aug 7, 2018

Exchange 2016 Uninstall Fails on Mailbox Server Role: Client Access Service Recently I battled with this headache of an Uninstall of an Exchange 2016 server. In the Exchange Install Logs this is the error that you are seeing. ERROR ( message:Cannot find GLOBAL MODULE object with identifier “exppw:) To resolve this error, you can follow…

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Exchange Transport Service Fails to Start
Exchange Transport is rejecting submissions because the available disk space has dropped below the configured threshold.

Exchange Transport is rejecting submissions because the available disk space has dropped below the configured threshold.

Published by lazy-admin on Jul 4, 2018

Exchange Transport is rejecting submissions because the available disk space has dropped below the configured threshold. Microsoft Exchange Server makes use of back pressure monitor systems to prevent Exchange Server from being overwhelmed by the volume of incoming messages. What is Back pressure? Back pressure is a system resource monitoring feature of the Microsoft Exchange…

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How to Enable Mailbox Auditing in Office 365

How to Enable Mailbox Auditing in Office 365

Published by lazy-admin on Jun 29, 2018

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.

Published by lazy-admin on Jun 25, 2018

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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How to Export Office 365 Group Members using PowerShell
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.

Published by lazy-admin on Jun 14, 2018

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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