7,913 questions with Exchange Server Management tags

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Help. We are on the latest CU23 and are still affected with the VULN “Client Access Server Information Disclosure” - “Elevation of Privilege Vulnerability”.

  Hello,  I originally had an open case with 365 Support as my setup is hybrid, and they referred me to open this case for further assistance.  Some background information first.  As stated, we are running our Exchange in Hybrid mode, with that in mind…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
asked 2025-06-18T16:36:38.02+00:00
Mark A Przybyszewski 0 Reputation points
edited an answer 2025-06-18T17:33:20.2533333+00:00
Andy David - MVP 157.1K Reputation points MVP Volunteer Moderator
1 answer

Unable to Send/Receive Internal External Email

HI Hopefully someone can help with this. We have exchange server 2019 CU 15, when sending email through OWA it sits in drafts. If we use outlook, it goes to sent but is never sent through the exchange server. Both for internal or external recipients. We…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
asked 2025-06-18T13:09:26.2766667+00:00
Craig Vazquez 0 Reputation points
commented 2025-06-18T16:01:56.7066667+00:00
Craig Vazquez 0 Reputation points
1 answer

On reboot to complete Exchange 2016 CU23 install, it failed on step 7, PushNotification already exists.

I tried installing Exchange 2016 CU23, on Server 2016 Standard. It went thru all the prerequisites checks fine, and asked to reboot to complete the installation. But upon reboot, at step 7 the following error occurs: Error: The following error was…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
asked 2025-06-18T13:36:45.6066667+00:00
Nigel Sampath 0 Reputation points
edited an answer 2025-06-18T14:59:40.0033333+00:00
Hin-V 415 Reputation points Microsoft External Staff Moderator
1 answer

outlook 2013 is attempting to connect

Hello, our exchange is 2016. We have an email account using outlook 2013 and it will show the prompt "Attempting to connect". Then, after about a minute, it will return to normal and change to "Connected to MICROSOFT EXCHANGE". thank…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
asked 2025-06-12T06:32:00.6266667+00:00
yanhaowen 0 Reputation points
commented 2025-06-18T10:56:31.4366667+00:00
Kudos-Ng 0 Reputation points Microsoft External Staff Moderator
1 answer

I am running exchange 2019 on prem, I want to delete spam email received by over 65 thousand users

"We're operating on Exchange Server 2019 with over 65,000 mailboxes. I'm looking to remove spam emails received across all users in the environment. However, the Search-Mailbox cmdlet has limitations. Could you please advise on how to retrieve and…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
asked 2025-06-17T13:14:13.8466667+00:00
lletsweletse 0 Reputation points
edited an answer 2025-06-18T08:08:23.38+00:00
Hin-V 415 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Delete a distribution list without an Exchange subscription

My company has two Azure accounts. One is no longer used but has a custom ___domain added to it. I want to move this custom ___domain to the newer Azure account. I cannot delete the custom ___domain from the old Azure account because there is one (and only one)…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
asked 2025-06-12T01:34:32.0833333+00:00
Paul Nerie 20 Reputation points
commented 2025-06-16T00:39:28.9633333+00:00
Paul Nerie 20 Reputation points
0 answers

Receive Connector

I am currently using Exchange 2016 and want to upgrade to Exchange 2019. I have introduced new Exchange 2019 servers. Besides the default connectors in Exchange 2016, I have two custom connectors created. One of the connectors has over 200 IP addresses…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
asked 2025-06-14T11:29:48.55+00:00
Rising Flight 5,216 Reputation points
1 answer One of the answers was accepted by the question author.

migrate mailboxes

I am using an Exchange 2016 hybrid environment. I have an Exchange database—let's say DB01—and I want to export all the mailboxes located in DB01 to a CSV file. Then, I want to import this CSV file and move those mailboxes to DB02 using PowerShell. Is…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
asked 2025-05-26T14:54:52.66+00:00
Roger Roger 7,161 Reputation points
accepted 2025-06-13T18:09:30.1+00:00
Roger Roger 7,161 Reputation points
1 answer One of the answers was accepted by the question author.

Outlook search is not working properly

After migrate mailboxes from exchange server 2016 to 2019 on priem, the outlook search is not working. I will have to select All Outlook Item to get some result. If I select current mailbox, it doesn't return anything. Does anyone know a fix for it.?…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
asked 2025-06-12T15:34:07.8033333+00:00
Alan Gao 40 Reputation points
accepted 2025-06-13T18:02:59.3733333+00:00
Alan Gao 40 Reputation points
1 answer

unable send email with attachment mail app iphone and outlook

Hi, I get an error when I try to send an email with a 10–12 MB attachment using the Mail app on iOS or Outlook by exchange 2019 on my phone. Technical details EasSendFailedPermanentException: An EAS Send command failed: Unable to send the message: either…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
asked 2025-06-03T13:05:37.5833333+00:00
parisa moghadam 5 Reputation points
commented 2025-06-13T06:56:31.4966667+00:00
Austin-H 2,775 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Is there a bug with Set-SafeLinksPolicy for clearing "DoNotRewriteUrls" parameter.

I'm writing a script where I need to set the DoNotRewriteUrls parameter, but I also need to be able to clear it. I can add and replace Set-SafeLinksPolicy -Identity <Identity> -DoNotRewriteUrls @("link1.com", "link2.com") If I…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
asked 2025-06-03T16:31:08.9933333+00:00
Paul Matthews 40 Reputation points
edited a comment 2025-06-12T10:44:21.3233333+00:00
Paul Matthews 40 Reputation points
1 answer One of the answers was accepted by the question author.

Exchange database recovery: Why can third-party tools do more?

When facing a corrupted EDB file which is probably holding the last messages which have been received between the last backup and when disaster struck, you are going to look at your options on how you can get those missing mails out of there. The first…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
asked 2021-02-18T12:18:32.9+00:00
WurstCase 96 Reputation points
edited the question 2025-06-11T10:42:38.2733333+00:00
JuliaMarvin 0 Reputation points Volunteer Moderator
3 answers

How to fix "This message couldn't be delivered because the sending email address was not recognized as a valid sender" error

When trying to send an email, I receive an error message stating "This message couldn't be delivered because the sending email address was not recognized as a valid sender. The most common reason for this error is that the email address is, or was,…

Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
6,099 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
asked 2024-01-03T06:31:39.76+00:00
Rudraraj Mer 30 Reputation points
answered 2025-06-10T12:38:55.7933333+00:00
Jesper Rex Andersen 0 Reputation points
1 answer

A user in a distribution group cannot receive an email

Hello. Please help me figure out the problem. We have a hybrid environment that includes an on-premise server MS Exchenge 2016. There is a distribution group. Users are added to it. All users except one receive emails sent to this distribution…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,305 questions
Microsoft Entra
Microsoft Entra
A group of Microsoft multicloud identity and access solutions.
2,580 questions
asked 2021-11-25T04:56:45.387+00:00
Andrey 181 Reputation points
accepted 2025-06-09T13:36:53.12+00:00
Andrey 181 Reputation points
1 answer

How to make a migration point to MDaemon?

We are trying to migrate a company from MDaemon to Microsoft 365. There is a problem with migration point creation. All it says is failed to create. The credentials are all in order. Any help would be appreciated.

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
asked 2025-06-04T08:03:24.2466667+00:00
Mirka IPH 5 Reputation points
commented 2025-06-09T13:26:09.0366667+00:00
Jayden-P 1,665 Reputation points Microsoft External Staff Moderator
1 answer

Public folders disappearing after some seconds from outlook clients

On exchange 2019 on premise , suddenly without any specific reason , in OWA there are no public folders for users. On outlook clients , when opening client, pulbic folders are visible and data is redable, after aboutn 30 seconds all public folders…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
asked 2025-06-02T16:23:30.6033333+00:00
leo fabiani 10 Reputation points
commented 2025-06-09T07:48:16.6533333+00:00
Teddie-D 705 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

How to create a rule to copy all "Inbox" folder emails to another folder in outlook

Hi Guys, Can you advise how to create a rule to copy (Not Move) all emails received to "Inbox" folder to another folder in outlook (Ex: Backup) . Also can we make the "Backup" folder read only to avoid deleting the emails ?…

Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
6,099 questions
Microsoft Exchange Online Management
Microsoft Exchange Online Management
Microsoft Exchange Online: A Microsoft email and calendaring hosted service.Management: The act or process of organizing, handling, directing or controlling something.
4,951 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
asked 2021-12-27T20:05:37.943+00:00
SR VSP 1,251 Reputation points
commented 2025-06-06T13:45:29.7033333+00:00
Zoltan Erszenyi 1 Reputation point
2 answers One of the answers was accepted by the question author.

Admin accounts cannot access ECP, Exchange 2019 CU12

We migrated from Exchange 2010 to Exchange 2019 CU12. But none of original Org Management access accounts get access the ECP. We all get an http 500 error. I created a brand-new account and that works fine. The new account has a mailbox On Prem, but all…

Exchange Server
Exchange Server
A family of Microsoft client/server messaging and collaboration software.
1,448 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,305 questions
asked 2023-02-20T12:20:27.59+00:00
SAT 26 Reputation points
commented 2025-06-03T17:38:30.3866667+00:00
Gustavo Garrido Sánchez 0 Reputation points
1 answer One of the answers was accepted by the question author.

Export Exchange 2019 primary mailbox and archive mailbox total sizes

Hi Folks, I have the script below which exports the TotalItemSize of primary and archive mailboxes for users taken from an input file. As you can see from the example output, the TotalItemSize shows the value in MB and bytes. What I would like to do is…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
asked 2025-05-10T00:03:58.9633333+00:00
mark terry 185 Reputation points
commented 2025-06-03T15:39:27.07+00:00
mark terry 185 Reputation points
2 answers One of the answers was accepted by the question author.

Distribution Groups - Allow internal and 1 external email address

I would not think this would be too unique of a situation, but we have an internal distribution group that we want internal users to be able to send to. We also have an external service that sends reports and we would like that to be able to send to the…

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,913 questions
asked 2021-09-21T18:02:58.38+00:00
CaedenV 31 Reputation points
commented 2025-06-03T08:22:16.88+00:00
Dale Holtzhausen 5 Reputation points