windows security pop up
we have Microsoft Exchange 2019 on -premise . when I added another mailbox in my outlook, windows security credential pop up appear constantly. what should I do ?
Exchange Online Powershell sessions
What is the limit for Exchange Online Powershell connections parallelly? Currently using EXO Version 3. I guess that uses REST APIs. I tried connecting multiple connections by created parallel powershell tabs and I could successfully connect to 12…
Why I received Blank NDR?
Hi in our exchange 2016 environment, I have sent an email to around 16 internally and externally recipients with an attachment size of 3 MB. However, I received an NDR but it was blank or empty. there is no actual explaination why the email failed to be…
Unable to edit Group membership of Distribution list using Outlook in Exchange Hybrid Environment.
Hi, We have a Hybrid Exchange Environment where all our mailboxes are already migrated to Exchange Online. Distribution lists are created in the Exchange On-premises environment and then synced to Azure. We are encountering an issue where we are unable…
Email OTP not available in user's email account
Hi, Q1. I have enabled the email otp as below. Why the user still don't have Email OTP option for selection if don't want to install Authentication app? Q2: After login webmail on the computer once, can the browser be trusted so that don't to ask…
Event ID 1 MSExchange Autodiscover
Hi, Recently I migrated Exchange 2016 to 2019, then I temporarily shut down Exchange 2016 and removed the Autodiscover URL from Exchange 2016 Everything works well but Exchange 2019 shows the below error: Details I run this…
Exchange Online - Purview Retention Policy Not Working
I am having issues with an Exchange Online retention policy not taking affect properly. I created a Purview tag and rule to permanently delete any Deleted Items email older than 31 days old. I assigned that rule to one specific user, myself, to test,…
Outlook Email sync error
Hello Please i need your help on this issue. We have a user who is having issue with sync error. she isn't seeing her emails displayed on outlook app. Her email is hosted by Bluehost she is getting the sync error
How to correlate reverse Proxy server (windows ) server IIS logs and Exchange IIS logs for user access and mail send.
Hi all, I need help , regarding an analysis of event that took place in our organization. One email ID has send an email to all users inside the org. and we need to track it down. We have logs from exchange server (IIS) and message tracking and reverse…
Emails appeared in the users draft
Hello Please i need your help on this issue. One of our users had a bunch of emails from several years ago all appear in her drafts folder on the 30th of March and dated as such. A content search around that date showed none of the activity. The user…
Cannot create email groups in exchange admin center
Hello Please i need help on this issue. Cannot create email groups in exchange admin center When I attempt to create and email group using EAC I get the following error. We couldn't create the group. Exception of type…
Forward emails from our 365 tenant shared mailboxes
Hello Please i need your help on this issue. We have a business use case where we need to forward emails from our 365 tenant shared mailboxes that are part of an business operation flow to an Amazon SES hosted email address. Technically, it is…
applewebdata in email from iOS exchange app
Hello, I wasn't quite sure where to ask this, so I am asking here. I am helping develop an email application that is polling exchange inboxes. One of the emails received had inline images in the following format: <img alt="image0.jpeg"…
Exchange server 2016, How to fix Users of newly created mailboxes cannot log in ?
I have two Exchange Server 2016 on-premises that are configured with DAG, and replication is working fine. However, recently, I’ve been unable to log in when I create a new mailbox. Every user who had a mailbox before is functional. Users of newly…
How to trace unread emails status in specific time/date range for all users in Exchange On-prem
Hello Team, I have a case where customer request an assistant to trace all unread emails with specific time range in their organization. Is there any way to perform this activity at one go? Any PowerShell script I can find? Environment is Exchange…
Reason: [{LED=250 2.1.5 RESOLVER.GRP.BlockedMessage; messages of this type are not delivered to groups};{MSG=};{FQDN=};{IP=};{LRT=}]
Reason: [{LED=250 2.1.5 RESOLVER.GRP.BlockedMessage; messages of this type are not delivered to groups};{MSG=};{FQDN=};{IP=};{LRT=}] Hello, I have a user that is attempting to have an internal automatic reply message get delivered to a distribution list,…
Outlook Data File Corruption
Hello Please we are having an issue with Microsoft Outlook Classic. We do not have problem with the new outlook but when we switch to classic Outlook we get the error message below:
The connection to the server 'webmail.domain.com' could not be completed.
Hello, Scenario: We have set up a hybrid migration from on-premises to Exchange Online (EXO). The setup worked well for the past two weeks, and we managed to migrate mailboxes. A few days ago, we experienced internet issues. Since then, all users' sync…
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Exchange-mail.que issue
Hello, envoronment: Exchange 1 Exchange 2 DAG Exchange1 has a stopped transport service The error that is displayed when I try to start the transport service error is the following There is no mail.qua file, but there is a Messaging.old-20230910125533…
How can I block the content of emails that are encoded in base64?
My question is exactly the title. I need to block emails that are sent/received with their content encoded in base64. I put some rules in Microsoft Purview, with regex, but it always gives a lot of false positives. Can anyone help me, if they have…