1,527 questions with Exchange | Exchange Server | Other tags

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Is the Exchange server down in this area as i can connect to exchage server then get disconnected

The office has multiple computers all running win 11 outlook classic . outlook classic say connected to exchange then disconnects this happens on all computers cannot send ourselves a test email it just sits in outbox

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
asked 2025-11-13T00:25:02.1133333+00:00
Rick Maskey 0 Reputation points
answered 2025-11-13T01:17:57.9966667+00:00
Teddie-D 7,410 Reputation points Microsoft External Staff Moderator
3 answers One of the answers was accepted by the question author.

We want to go cloud only with Exchange online, but documentation suggests that we must have an Exchange server on-premises since we have EntraID connect for directory synchronization. Is this true?

We have Microsoft Exchange online in a hybrid configuration with one single Exchange 2016 server. I noticed that Exchange 2016 and 2019 are EOL in October 14 of this year, which means that we may need to migrate to Exchange Server SE on premises to keep…

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,713 questions
Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,363 questions
Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2025-01-17T18:53:47.8733333+00:00
Jamie McFarling 71 Reputation points
commented 2025-11-12T15:24:23.0366667+00:00
Jamie McFarling 71 Reputation points
2 answers

how to stop double bookings in room resources

When users book a room that's already booked they can book and no rejection is received.

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
asked 2025-11-07T13:12:40.96+00:00
Ross Baxter 0 Reputation points
commented 2025-11-12T08:31:08.17+00:00
Hin-V 8,605 Reputation points Microsoft External Staff Moderator
2 answers

mettre a jour outlook avec exchange

Bonjour, j'ai un pc et un abonnement microsoft famille avec 2 comptes. Je viens d'acquerir un nouveau pc sur lequel je n'arrive plus a paramétrer outlook version bureau. J'ai une adresse exchange. Je voudrais bien passer a la version microsoft pro, mais…

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
asked 2025-11-07T13:47:58.9766667+00:00
Anonymous
commented 2025-11-11T07:01:30.2033333+00:00
Jack-Bu 5,310 Reputation points Microsoft External Staff Moderator
1 answer

I cannot send mail on Echange mail server, I don't know the password

I can't send emails on Microsoft Exchange, I don't know the password.

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
asked 2025-11-03T16:27:28.57+00:00
CLAUDE KOHLI 0 Reputation points
commented 2025-11-11T06:50:11.9933333+00:00
Vergil-V 6,300 Reputation points Microsoft External Staff Moderator
1 answer

Como arreglar este error en mi servidor de correo: Microsoft.Exchange.Data.Directory.Management.RunspaceServerSettingsPresentationObject

al agregar o buscar un buzon de correo me sale este error Microsoft.Exchange.Data.Directory.Management.RunspaceServerSettingsPresentationObject

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
asked 2025-11-05T14:47:12.5533333+00:00
Lazaro Omar Bandera Molinete 0 Reputation points
commented 2025-11-11T05:03:19.1633333+00:00
Hani-Ng 4,540 Reputation points Microsoft External Staff Moderator
4 answers One of the answers was accepted by the question author.

How do I bypass auto-discover and manually configure Outlook 2021 to point to my current Exchange server?

Brand new desktop computer running Windows 11 home. Brand new install of Office Professional Plus 2021, never installed on any machine. Microsoft Exchange 2019 server hosted by ionos When setting up Outlook, the auto-discovery feature is pointing…

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,713 questions
Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
Outlook | Windows | Classic Outlook for Windows | For business
Windows for business | Windows Server | User experience | Other
asked 2023-08-11T15:18:59.0133333+00:00
Todd Smith 25 Reputation points
commented 2025-11-11T01:10:33.36+00:00
Michael Johnson 0 Reputation points
1 answer

External User Lockouts and Continuous Login Pop-Ups

I recently set up half of the users in my company to transition to a hybrid O365 environment, on-prem exchange with O365 licenses using Azure AD sync, but left some users fully on-prem. The fully on-prem users are having issues with Outlook consistently…

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
asked 2025-11-03T18:01:11.5566667+00:00
Alex Rodrigue 0 Reputation points
commented 2025-11-10T10:00:01.56+00:00
Teddie-D 7,410 Reputation points Microsoft External Staff Moderator
3 answers One of the answers was accepted by the question author.

Clarify /PrepareAD Requirement for Exchange Server SE RTM Upgrade

I recently performed an in-place upgrade from Exchange Server 2019 CU15 to Exchange Server Subscription Edition (SE) RTM, following the official documentation. The upgrade completed successfully, and I noted that the documentation does not mention the…

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
asked 2025-11-06T08:47:44.5533333+00:00
Köhler, Michael 20 Reputation points
commented 2025-11-10T08:42:39.8533333+00:00
Köhler, Michael 20 Reputation points
2 answers

Autodiscover for Outlook is not functioning properly on macOS

I am experiencing an issue with Outlook on MacBook. We are using Exchange On-Premises 2019, and our customers encounter problems when configuring Outlook on their MacBooks. The issue manifests as Outlook frequently showing a "Disconnected"…

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
asked 2025-01-08T08:03:22.07+00:00
ahmed ali 10 Reputation points
edited an answer 2025-11-09T00:33:26.5566667+00:00
Jeff Cooper 1 Reputation point
2 answers

Outlook online modus: email successfully delivered but still appears in outbox

email successfully delivered but still appears in outbox

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
asked 2025-11-04T13:41:36.75+00:00
Tangoball76 5 Reputation points
commented 2025-11-07T14:51:25.31+00:00
Kudos-Ng 8,960 Reputation points Microsoft External Staff Moderator
1 answer

Getting very slow performance of on prem Exchange 2019 service over the day

Getting very slow performance of on prem Exchange 2019 service over the day. After rebooted all servers getting access but why it's happened.

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
asked 2025-11-02T13:58:47.5666667+00:00
MA Momin 0 Reputation points
commented 2025-11-06T06:18:12.9966667+00:00
Vergil-V 6,300 Reputation points Microsoft External Staff Moderator
1 answer

Exchange kontot har upphört

När jag var anställd i ett annat företag tidigare så hade det företaget ett Exchange konto. Nu när det Exchange kontot har upphört, vilket jag upptäckte för ca en vecka sedan, har delar av mina kontakter i min Iphone försvunnit. Hur gör jag för att få…

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
asked 2025-11-04T19:29:44.59+00:00
Mikael Blomberg 0 Reputation points
commented 2025-11-06T04:21:19.52+00:00
Jade-T 7,395 Reputation points Microsoft External Staff Moderator
1 answer

Blocking public IP address ranges

When sending from our exchange mail server to the domain: outlook.sk, the response is returned - undeliverable: error: 550 5.7.1 . Blocking due to IP address blacklisting. However, you are blocking the entire subnet of addresses: <Removed PII>.…

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
asked 2025-10-30T15:00:28.9733333+00:00
Jechort Tomáš 0 Reputation points
commented 2025-11-05T12:21:36.0866667+00:00
Vergil-V 6,300 Reputation points Microsoft External Staff Moderator
1 answer

emails sent being flagged as spam

I don't know what's going on but my emails sent from my new outlook email address are being flagged as junk or spam. How do I fix this?

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
asked 2025-11-03T13:19:31.5633333+00:00
Tiffany Glenn 0 Reputation points
commented 2025-11-05T10:54:49.2733333+00:00
Kudos-Ng 8,960 Reputation points Microsoft External Staff Moderator
1 answer

I am unable to launch outlook for windows on my new pc. I have been advised this is due to a directory conflict as my e-mail is registered as a business e-mail (not sure why this is the case)

I have got a new laptop and was using a pre-installed Outlook - this program froze so I uninstalled in an effort to resolve the problem. When I tried to re-install Outlook for Windows 11 I was unable to launch and got an error message as follows…

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
asked 2025-11-03T15:25:59.7066667+00:00
Tommy Smith 0 Reputation points
commented 2025-11-05T03:29:02.46+00:00
Jade-T 7,395 Reputation points Microsoft External Staff Moderator
4 answers One of the answers was accepted by the question author.

Facing issue while installing Microsoft Exchange server 2019 in production environment

Failed [Rule:GlobalUpdateRequired] [Message:Global updates need to be made to Active Directory, and this user account isn't a member of the 'Enterprise Admins' group.] Failed [Rule:GlobalServerInstall] [Message:You must be a member of the 'Organization…

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
asked 2025-01-23T07:14:02.5633333+00:00
Sunil Kumar 20 Reputation points
edited a comment 2025-11-04T14:14:26.96+00:00
Andre Tiger 0 Reputation points
2 answers

I Keep getting "The Name Cannot be matched to a name in the address list." when trying to connect my business email to outlook through exchange

last week outlook disconnected my exchange email. When I tried to get it back in outlook (2024 version 2509) I keep getting that message in a pop up box. My email provider told me that I have an account through Microsoft and that is interfering with my…

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
asked 2025-11-03T16:27:02.6766667+00:00
Jeff Hamilton 0 Reputation points
answered 2025-11-04T00:11:06.6633333+00:00
Austin-H 6,635 Reputation points Microsoft External Staff Moderator
1 answer

Email Authentication Issues

Dear MS Team, I am reaching out to seek clarification regarding an issue I'm experiencing with my email domain. Currently, my SPF, DKIM, and DMARC settings are failing: SPF: Fail DKIM: Fail DMARC: Fail (Current setting: v=DMARC1;…

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
asked 2025-10-28T09:41:00.3166667+00:00
Yannis Tse 0 Reputation points
commented 2025-10-31T11:34:03.7933333+00:00
Hin-V 8,605 Reputation points Microsoft External Staff Moderator
2 answers

Issue with /PrepareSchema and LDAP

Hello, I have new local DC hosted on Windows Server 2025 Datacenter and I want to install Exchange SE on Windows Server 2025. Host is added to DC but I receive error from /PrepareSchema Either Active Directory doesn't exist, or it can't be…

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,527 questions
asked 2025-10-27T06:15:14.91+00:00
Zbigniew Nykiel 0 Reputation points
answered 2025-10-30T12:17:31.9533333+00:00
Andy David - MVP 159.7K Reputation points MVP Volunteer Moderator