8,019 questions with Exchange | Exchange Server | Management tags

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Unable to add DAG members to new DAG

I have created 3 new servers in Azure and 2 of them are successfully setup as Exchange SE mailbox servers. The 3rd server is a file server (OS: 2025). New-DatabaseAvailabilityGroup -Name DAG -WitnessServer fsserver -WitnessDirectory C:\DAG No folder is…

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
asked 2025-10-30T22:10:00.4366667+00:00
Rahul Kumaar 0 Reputation points
edited an answer 2025-10-31T18:04:56.36+00:00
Kha-N 3,420 Reputation points Microsoft External Staff Moderator
1 answer

How to find and cleanup growing Exchange SE disk space?

We have an Exchange Server SE setup on a virtual Server 2019. It is the only Exchange server and was upgraded from 2016 this summer. Prior to the upgrade the server ran with little attention for multiple years. There is a Sonicwall Email Security…

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
asked 2025-10-28T15:34:14.1033333+00:00
Admin SIRWA 0 Reputation points
commented 2025-10-31T14:56:18.1466667+00:00
Admin SIRWA 0 Reputation points
1 answer One of the answers was accepted by the question author.

Exchange Online hybrid migration failing with credential or authentication error

I’m running a hybrid migration from Exchange Server 2019 to Exchange Online, but several mailboxes are failing with the error “MigrationPermanentException: Authentication failed with the remote server.” I’ve already confirmed that the migration endpoint…

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
asked 2025-10-31T09:00:44.7933333+00:00
Zahmedli 100 Reputation points
accepted 2025-10-31T11:33:17.4033333+00:00
Zahmedli 100 Reputation points
1 answer

When creating a meeting using "Meeting Room Mailbox", outlook 2021 cannot be forwarded.

In exchange server 2016, when creating a meeting using the "Meeting Room Mailbox", outlook 2021 cannot forward it and prompts "Before forwarding this item, it must be saved first". outlook 2016 can forward it. Create a meeting using…

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
asked 2025-10-31T06:16:52.5733333+00:00
yanhaowen 65 Reputation points
edited an answer 2025-10-31T06:51:25.68+00:00
Steven-N 12,005 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

DAG - Mount Exchange databases according to ActivationPreference does not work.

Good Morning! I am looking for help with DAG management. It is new configuration described below: -2xWindows Server 2025, -2xExchange SE RTM vesion: 15.02.2562.017 - i know it is not newest SU -1xWitnessServer -IP_Less DAG When I turning on…

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
asked 2025-10-24T11:35:27.5+00:00
Checior200 20 Reputation points
accepted 2025-10-29T14:24:40.7366667+00:00
Checior200 20 Reputation points
1 answer

Exchange 2019 On-Prem: Intermittent EAS MailSubmissionFailed (Code 120) & Auth Conflicts After Cross-Forest Migration

​Hello everyone, ​I'm facing a complex ActiveSync (EAS) issue on our Exchange 2019 On-Premise environment, specifically affecting all users who have been migrated from another forest. ​Environment Context ​We are migrating users from an OLD_DOMAIN to a…

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
asked 2025-10-18T10:23:38.5466667+00:00
Kevin G 0 Reputation points
commented 2025-10-29T01:43:53.21+00:00
Austin-H 5,945 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Accepted domains not provisioning after migration in Exchange Online

After completing a migration to Exchange Online, I noticed that newly added accepted domains show as verified in Microsoft 365 but aren’t fully provisioned. Users can’t send or receive emails using the new domain, even though DNS and licensing appear…

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
asked 2025-10-22T12:49:26.2166667+00:00
Pitman Donny 20 Reputation points
edited a comment 2025-10-27T06:51:22.2466667+00:00
Steven-N 12,005 Reputation points Microsoft External Staff Moderator
3 answers

Outlook connecting to Office365 instead of on-premise Exchange server

Hi We have an on-premise Exchange server. The users are running Office 365 and up to a few days ago, Outlook was working fine and the users were connecting to their local Exchange mailboxes. Now they are disconnected from their mailboxes and are…

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
asked 2022-08-15T04:19:16.003+00:00
GIC-AUA 51 Reputation points
commented 2025-10-24T11:40:22.5666667+00:00
Raphael Aubert 5 Reputation points
1 answer

how do i assign an application specific password for ms 365 outlook for mac mail

how do i create the application specific password for ms365 for mac Outlook

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
asked 2025-10-07T16:22:57.3133333+00:00
John Llamas 0 Reputation points
commented 2025-10-24T03:52:42.54+00:00
Austin-H 5,945 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Exchange Server not syncing emails to Outlook clients properly

Our emails hosted on our on-premises Exchange Server are not syncing correctly to users’ Outlook desktop clients. While Outlook on the web shows all new messages without issue, the desktop app either remains disconnected, displays outdated messages, or…

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
asked 2025-10-23T03:22:19.4733333+00:00
Holmes Shanquaneta 40 Reputation points
accepted 2025-10-24T03:01:18.9766667+00:00
Holmes Shanquaneta 40 Reputation points
3 answers

SSL Certificate/ Exchange Server 2019

Per our logs and open SSL test we are showing a self signed cert being issued. Whereas a certificate is already installed from network solutions. How do I fix this?

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
asked 2025-10-20T21:08:44.5166667+00:00
Neal Singh 0 Reputation points
commented 2025-10-24T00:27:36.2266667+00:00
Kha-N 3,420 Reputation points Microsoft External Staff Moderator
1 answer

How do I get windows classic to enable me use Outlook Exchange 2019 to access my emails

I can no longer set up Outlook on my PC because Outlook classic is no longer available to enable me use exchange 2019 to access my emails

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
asked 2025-10-17T13:17:46.49+00:00
Nicholas Atampugre 0 Reputation points
commented 2025-10-22T12:53:40.15+00:00
Kudos-Ng 8,255 Reputation points Microsoft External Staff Moderator
3 answers One of the answers was accepted by the question author.

How to clear AutoComplete in Outlook (Office 365) via GPO and Powershell ?

Hello, I have to clear AutoComplete before and after migration to Exchange Online. I would prefer to create a GPO in order to enable/ disable it. I need a powershell too (working with Exchange 2013). Thanks in advance for your help.

Outlook | Windows | Classic Outlook for Windows | For business
Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
Windows for business | Windows Client for IT Pros | User experience | Other
asked 2020-07-14T18:25:19.02+00:00
Diego 21 Reputation points
edited an answer 2025-10-22T11:09:56.4866667+00:00
sadia malik 0 Reputation points
4 answers One of the answers was accepted by the question author.

How to build a Local E-mail server?

How to build a Local E-mail server? What hardware and software do I need?

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
asked 2025-10-01T19:31:12.44+00:00
Jiaxin Zhang 60 Reputation points
edited a comment 2025-10-21T10:28:04.2433333+00:00
Kha-N 3,420 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Intermittent hybrid mail flow latency in Exchange 2019 and Exchange Online environment

We’re running a hybrid Exchange environment (Exchange Server 2019 on-premises + Exchange Online) and have recently noticed intermittent delays when sending mail from on-premises mailboxes to cloud mailboxes. Messages sometimes take several minutes to…

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
asked 2025-10-20T09:55:23.7+00:00
Slater Kinja 20 Reputation points
accepted 2025-10-21T09:15:51.09+00:00
Slater Kinja 20 Reputation points
1 answer

Deleted AD Account, but Cloud Account Did Not Transition to Soft-Delete

The on-premises Active Directory is currently synchronized with Azure AD. After deleting the account on the AD server, the synchronized cloud account did not move to a deleted state.

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
asked 2025-10-15T07:40:05.29+00:00
Bogyun Jeon 0 Reputation points
edited a comment 2025-10-20T05:37:16.7933333+00:00
Jack-Bu 4,745 Reputation points Microsoft External Staff Moderator
2 answers

How do I download the Project desktop App?

We have a license/subscription to Project Plan 3. From what I can understand, this also has a desktop app available. Following MS's instructions, however, just has me downloading Office again and never downloads Project. How can I get the desktop…

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
Microsoft Teams | Microsoft Teams for business | Other
asked 2024-10-22T19:21:51.8766667+00:00
Pumpkinboss 15 Reputation points
edited a comment 2025-10-19T04:47:13.6533333+00:00
Anthony Tran 0 Reputation points
3 answers One of the answers was accepted by the question author.

in-place discovery export keeps asking for credentials

Hi, In-Place eDiscovery keeps asking for credentials even after assigning the required permissions to the user. Exchange 2013. Is there a command in Powershell to find emails in all the mailboxes having a specific subject and export them to a .pst…

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
asked 2023-06-10T23:34:51.9166667+00:00
create share 676 Reputation points
answered 2025-10-18T07:03:26.63+00:00
Juan A. González Escobar 0 Reputation points
1 answer

Exchange SE Certificate won’t bind to SMTP

Hi, I’m setting up a new Exchange Server SE in a hybrid environment and ran into an issue with certificates. Situation On the old server, there is an internal CA certificate (Thumbprint AAAA…) that is still enabled for SMTP. On the new server, I imported…

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
asked 2025-10-01T21:08:33.49+00:00
Thomas Waschkies 0 Reputation points
commented 2025-10-17T15:14:28.83+00:00
Austin-H 5,945 Reputation points Microsoft External Staff Moderator
1 answer

Exchange 2019 to Se upgrade failed

We are getting various errors on our Exchange SE deployment. Some concern permissions issues creating the system mailboxes. Also, when attempting to prepareAD, we get unusual local temp errors. Below is an except form the setup logs. [10/10/2025…

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,019 questions
asked 2025-10-13T16:31:55.2933333+00:00
Roger Sinsel 0 Reputation points
commented 2025-10-17T11:46:25.1233333+00:00
Jack-Bu 4,745 Reputation points Microsoft External Staff Moderator