Recently, I have come across this issue several times so thought I will document the fix and share with everyone. Issue We are trying to sync new users or update the changes using AD Connect but for some reason nothing is getting updated and there are no errors on O365 AD Connect page. Tried updating... Continue Reading →
Email Migration Issues
During a recent project involving the migration of emails from an on-premises Exchange server to Office 365, I utilized a third-party tool known as Avepoint. Throughout this process, I encountered several peculiar issues that required thorough investigation, despite their seemingly straightforward nature. Recognizing the potential value of sharing these experiences, I aim to provide insights... Continue Reading →
External User Sending to Distribution Group With External Domain Recipients
Issue: When an external user is sending an email to a distribution group which consists of both internal and external users. Emails to internal users get delivered but fails to be delivered to external members of the group. Sometimes the sender doesn't even get NDR as they might not have been enabled. You can always... Continue Reading →
Script To Get A List Of All Mailboxes Along with All its Email Aliases
Connect to Exchange Online $UserCredential = Get-Credential$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri http://outlook.office365.com/powershell-liveid/ -Authentication Basic -AllowRedirection:$true -Credential $UserCredentialImport-PSSession $Session -DisableNameChecking:$true -AllowClobber:$true | Out-Null Get all Exchange Online users $AllUsers = Get-Mailbox -ResultSize Unlimited Iterate through each user and retrieve email address aliases foreach ($User in $AllUsers) {$UserPrincipalName = $User.UserPrincipalName$PrimarySMTP = $User.PrimarySmtpAddress$EmailAliases = $User.EmailAddresses # Output... Continue Reading →
Emails Being Rejected on O365: Bare Line Feed Characters
This usually happens when a 3rd party server is emailing you which includes characters which causes emails to be rejected. Microsoft used to remove these characters before, but they stopped doing so. As per Microsoft documentation, receive connector need to be adjusted to fix this but that applies to on-prem exchange only. I couldn’t find... Continue Reading →