634 questions with Exchange | Exchange Server | Development tags

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3 answers

Exchange 2016

PLZ egal – Notfalleinsatz bei  fehlerhafter Exchange Migration OnPrem (2016 > 2019)   Seit dem lokalen Update von 2016 auf EX 2019 ist der ausgehende Konnektor für mailvorwarding an das zu nutzenden Mailrelay ohne Funktion. Setup des 2019 hat…

Exchange | Exchange Server | Development
asked 2025-12-09T10:36:05.9366667+00:00
Mustafa Ergün - ITventive AG 0 Reputation points
commented 2025-12-10T14:19:48.4433333+00:00
Hin-V 10,180 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

Exchange Server 2019 – How to Improve Mail Flow Stability Under Heavy Load?

I’m looking for guidance on optimizing mail flow performance in Exchange Server 2019 after noticing intermittent delays when the server is under moderate or heavy load. Message Tracking shows that emails occasionally sit in the Submission or Categorizer…

Exchange | Exchange Server | Development
asked 2025-12-10T09:43:38.5733333+00:00
Montez Martha 40 Reputation points
accepted 2025-12-10T13:59:36.8933333+00:00
Montez Martha 40 Reputation points
2 answers One of the answers was accepted by the question author.

Send form submissions from WordPress 365 SMTP

Hello. I'm having difficulty convincing my email host provider that we need to register our site (obtain license and secret keys) to send form content via his 365 mail services. Am I wrong? We cannot use a Microsoft form as (from what I understand) it…

Exchange | Exchange Server | Development
asked 2025-12-04T18:30:41.1933333+00:00
Mathew Sandford 20 Reputation points
accepted 2025-12-09T23:40:12.5566667+00:00
Mathew Sandford 20 Reputation points
2 answers One of the answers was accepted by the question author.

Exchange Server 2019 ECP and OWA fail to load with 500 error

On my Exchange Server 2019, both the ECP and OWA portals suddenly stopped loading and only display a 500 Unexpected Error after login. The login page appears, but after entering credentials, the page fails to load. Mail flow and Outlook connectivity are…

Exchange | Exchange Server | Development
asked 2025-11-04T07:34:37.8+00:00
Erin Cruz 65 Reputation points
answered 2025-12-05T05:21:55.42+00:00
Marcos Cristian Munguia Bustillo 0 Reputation points
1 answer

Exchange azure vm

How can i request to open port 25 we have a dev\test environment. en we want to test outgoing and incoming mail. we have exchange SE on windows 2022

Exchange | Exchange Server | Development
asked 2025-12-04T12:50:29.15+00:00
Ireno Thomas 0 Reputation points
answered 2025-12-04T12:57:44.09+00:00
Marcin Policht 68,300 Reputation points MVP Volunteer Moderator
2 answers

Parse error when retrieve email connect to EWS API (Exchange 2016) using ews-java-api 2.0 in java platform (Character reference "&#x1" is an invalid XML character)

I encountered an problem when retrieving an email message when connect to EWS API exposed by Exchange Server using ews-java-api 2.0, it fails to parse invalid character and fail to get email eventually. Is there any work around/ solution when hit this…

Exchange | Exchange Server | Development
asked 2025-11-19T08:19:13.52+00:00
Wai 5 Reputation points
edited an answer 2025-11-27T05:17:30.34+00:00
Austin-H 6,990 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Exchange Migration Issue

During an Exchange migration (2016 to SE) where during an Exchange migration where several mailboxes stall and never progress past the initial sync phase. Permissions and configuration appear correct, but the migration batches remain stuck despite…

Exchange | Exchange Server | Development
asked 2025-11-26T09:43:58.87+00:00
JayJ 140 Reputation points
commented 2025-11-26T14:04:48.7766667+00:00
Hin-V 10,180 Reputation points Microsoft External Staff Moderator
2 answers

Exchange Online PowerShell Error

Please help: Cannot process argument transformation on parameter 'Identity'. Cannot convert value "" to type "Microsoft.Exchange.Configuration.Tasks.RecipientIdParameter". Error: "Parameter values of type…

Exchange | Exchange Server | Development
asked 2025-11-22T10:58:33.0133333+00:00
Johnny Blaze 5 Reputation points
commented 2025-11-26T04:09:16.5066667+00:00
Jade-T 8,530 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

OWA to stop loading after an Exchange Server 2019 cumulative update

After installing the latest cumulative update on Exchange Server 2019, both ECP (Exchange Control Panel) and OWA (Outlook Web App) stopped working. When I try to access https://mail.contoso.com/ecp or https://mail.contoso.com/owa, the browser shows a…

Exchange | Exchange Server | Development
asked 2025-11-13T03:17:55.4566667+00:00
Holmes Shanquaneta 80 Reputation points
accepted 2025-11-26T03:49:35.05+00:00
Holmes Shanquaneta 80 Reputation points
2 answers

How to solve the problem of abnormal search caused by Chinese characters when using ews java api 2.0 to access Exchange2019 through fuzzy search of folder emails

When using ews java api 2.0, use the following method 1 for remote mail search on the server (Exchange server 2019) // 1. Create a fuzzy search filter for the Body field SearchFilter bodyFilter = new SearchFilter.ContainsSubstring( …

Exchange | Exchange Server | Development
asked 2025-11-20T02:15:41.8233333+00:00
海锋 冉 0 Reputation points
commented 2025-11-20T05:32:05.58+00:00
Jade-T 8,530 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

Exchange Server update fails to install and rolls back

I’m having trouble installing the latest Cumulative Update on my on-premises Exchange Server (2016/2019). The setup starts normally, but during the “Mailbox role: Transport service” step it stops, then rolls back the entire update. No clear error appears…

Exchange | Exchange Server | Development
asked 2025-11-17T07:18:41.0366667+00:00
Ezra Torres 20 Reputation points
accepted 2025-11-18T07:40:54.62+00:00
Ezra Torres 20 Reputation points
2 answers

Facing : Connect-ExchangeOnline: A parameter cannot be found that matches parameter name 'Organization'.

Hi all, I tried following the document: https://v4.hkg1.meaqua.org/en-us/exchange/client-developer/legacy-protocols/how-to-authenticate-an-imap-pop-smtp-application-by-using-oauth but unable to get through this step:…

Exchange | Exchange Server | Development
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.
8,063 questions
Windows for business | Windows Server | User experience | PowerShell
asked 2022-09-15T13:18:46.527+00:00
Vinay Sharma 56 Reputation points
commented 2025-11-17T22:42:30.2233333+00:00
Tharaka Abeysinghe 0 Reputation points
1 answer One of the answers was accepted by the question author.

How to Convert a Secondary Hierarchy Public Folder Mailbox to Primary Hierarchy in Exchange Admin Center (Exchange 2019)?

I'm running Exchange Server 2019 on-premises with public folders split between one Primary Hierarchy mailbox (on a server to decommission) and multiple Secondary ones. Need to promote a Secondary to Primary without full recreation or heavy downtime,…

Exchange | Exchange Server | Development
asked 2025-10-18T02:18:03.0666667+00:00
Doumbia 40 Reputation points
commented 2025-11-13T14:46:33.5766667+00:00
Sven 0 Reputation points
1 answer One of the answers was accepted by the question author.

Transport service high CPU usage causing mail flow delays

Has anyone dealt with Exchange 2019 randomly chewing up CPU and slowing down mail flow? On my server, MSExchangeTransport/EdgeTransport.exe keeps spiking to high CPU (70–90%), and mail queues start building up shortly after. A quick Transport service…

Exchange | Exchange Server | Development
asked 2025-11-07T08:13:34.61+00:00
Mason Mcgrath 40 Reputation points
accepted 2025-11-07T09:36:09.8133333+00:00
Mason Mcgrath 40 Reputation points
1 answer

How to Retrieve Original Sender Timezone and mailbox timezone from Outlook Email via EWS and Aspose.Email

Forum Question: How to Retrieve Original Sender Timezone from Outlook Email via EWS and Aspose.Email Problem Statement I am fetching emails from an Outlook mailbox using Exchange Web Services (EWS) and Aspose.Email for Java. The emails are sent by users…

Exchange | Exchange Server | Development
asked 2025-10-31T04:50:17.0333333+00:00
Rollavaipalli Jayanth 0 Reputation points
commented 2025-11-03T08:42:51.59+00:00
Hin-V 10,180 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Exchange Server 2019 database fails to mount after reboot (PowerShell commands return Active Manager error)

After a recent reboot of my Exchange Server 2019, one of the mailbox databases failed to mount. When I try to mount it using PowerShell with Mount-Database -Identity "DB01" I receive the following error: An Active Manager operation failed.…

Exchange | Exchange Server | Development
asked 2025-10-31T07:14:55.4166667+00:00
Imran Qureshi 220 Reputation points
accepted 2025-10-31T10:12:46.4+00:00
Imran Qureshi 220 Reputation points
1 answer

Usuarios no Ad, sendo bloqueados ao abrir o outlook exchange. Windows 11 24h2

Olá a todos. Aqui na empresa que trabalho, estamos tendo um problema desde o começo do ano de 2025, no qual consiste no seguinte cenario, quando um usuario que possui sua conta do outlook exchange, loga na sua maquina com windows 11 na versão 24h2. Ao…

Exchange | Exchange Server | Development
asked 2025-08-28T12:48:49.9333333+00:00
Mateus Tenorio 0 Reputation points
commented 2025-10-30T19:27:02.1933333+00:00
Mateus Tenorio 0 Reputation points
1 answer One of the answers was accepted by the question author.

Exchange Server 2019 Transport service stuck in starting state

On my Exchange Server 2019, the Microsoft Exchange Transport service fails to start. It stays in a “Starting” state indefinitely, and restarting the service or the entire server doesn’t resolve the issue. Other Exchange services (such as RPC and…

Exchange | Exchange Server | Development
asked 2025-10-30T11:15:22.5466667+00:00
Lasker Sokia 20 Reputation points
accepted 2025-10-30T14:15:42.5933333+00:00
Lasker Sokia 20 Reputation points
1 answer

How to use Exchange Server Outlook interface in Java SpringBoot?

Hello, I previously asked a similar question, and I thought it was closed. Now, I have a new one, and we're truly unable to resolve it. Please help. Our project background is this: We are a third-party software provider deployed on a client's server. The…

Exchange | Exchange Server | Development
asked 2025-10-22T07:03:42.7433333+00:00
ShuangCoolBoy 20 Reputation points
commented 2025-10-27T14:24:24.55+00:00
Steven-N 15,160 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

What could cause Exchange 2019 services to not start automatically after a reboot, and are there any recommended startup order or dependency adjustments to ensure reliable service initialization?

After rebooting my Exchange Server 2019, several critical services (like Microsoft Exchange Transport and Information Store) fail to start automatically. I have to manually start them from Services.msc or PowerShell each time the server restarts. The…

Exchange | Exchange Server | Development
asked 2025-10-27T10:29:42.92+00:00
Mote Jeffery 40 Reputation points
accepted 2025-10-27T12:19:50.5466667+00:00
Mote Jeffery 40 Reputation points