MRS Proxy Connection Failed – Exchange Online After installing new Exchange Servers and you try and start a new migration batch to Exchange Online you receive the following Error. “MRS Proxy Error ‘The connection to the server could not be completed” To resolve the issue, let’s look at if MRS Proxy is enabled on the…
Leave a CommentLet users rest their Passwords in Office 365 Office 365 and Azure AD allows users to reset their own passwords, this reduces the calls to helpdesk for password resets. Once you enable this setting users will be able to navigate to https://passwordreset.microsoftonline.com/ and reset their own passwords. To get started Launch the Office 365 Admin…
Leave a CommentDisable anonymous calendar sharing in Office 365 Admin Center and PowerShell During this post, we will run down on how to disable anonymous calendar sharing in Office 365. By default, anonymous calendar sharing is enabled, as an Office 365 admin can you decide what kind of information your user share externally. With Anonymous calendar sharing…
Leave a CommentConfigure Outbound Spam Notification Office 365 Exchange Online Outbound spam filtering is always enabled by default when customers use the service to send outbound email. If an outbound email is determined to be spam, the service routes the message through a high risk delivery pool, this reduces the probability of the normal outbound-IP pool of…
Leave a CommentHow to verify if Mailbox Auditing is enabled by Default on your Office 365 Tenant Started from January 2019, Microsoft turned on mailbox auditing by default for all Microsoft 365 organizations. This means that the certain actions like the following will be logged and can be viewed in the mailbox audit log. Mailbox owner Delegates…
Leave a CommentConfigure 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…
Leave a CommentCreate 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.
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$UserCredential = Get-Credential |
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$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://ps.protection.outlook.com/powershell-liveid/ -Credential $UserCredential -Authentication Basic -AllowRedirection |
Then import the new session
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Import-PSSession $Session -DisableNameChecking |
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Leave a CommentConfigure 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…
Leave a CommentGet-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…
2 CommentsOffice 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…
3 CommentsHow 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…
Leave a CommentUser 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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