607 questions
607 questions with Exchange | Exchange Server | Development tags
1 answer
How can I create an automated PowerShell script to diagnose Bookings mailboxes, pulling Graph data, staff logs, validations, and exporting to CSV/Excel?
Our firm about to manage 200+ weekly client appointments across mailboxes (5-10 staff each) However staff face permission denials when updating bookings, and confirmation emails fail, causing no-shows. Tenant settings, OWA policies, and domains are…
Exchange | Exchange Server | Development
asked 2025-09-12T06:24:31.5866667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(313.6, 12%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EIQ%3C/text%3E%3C/svg%3E)
Imran Qureshi
40
Reputation points
commented 2025-09-15T08:24:07.3966667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(105.60000000000001, 69%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHV%3C/text%3E%3C/svg%3E)
Hin-V
4,340
Reputation points Microsoft External Staff
Moderator
0 answers
Exchange SE In place upgrade completed, Receive Connectors do not allow Email flow.
Exchange Health Checker version 25.09.08.1801 Exchange Information Name: MAIL-SERVER.DELFIA.COM Generation Time: 09/12/2025 16:21:01 Version: Exchange SE RTM Sep25HU Build Number: 15.02.2562.027 Latest Install Time (SU/CU): 09/12/2025…
Exchange | Exchange Server | Development
607 questions
asked 2025-09-13T15:39:39.0166667+00:00
Kenneth J. Filadelfia
0
Reputation points
commented 2025-09-13T15:47:18.8133333+00:00
Kenneth J. Filadelfia
0
Reputation points
0 answers
Config MetaCached DB not working on Exchange 2019
Hi I'm configuring metacache databases on our new Exchange 2019 servers. We've got 2 seperate disks available for them. I used the official Microsoft documentation, but it seems to be missing some important…
Exchange | Exchange Server | Development
607 questions
asked 2025-05-21T12:19:00.5166667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(198.4, 84%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGD%3C/text%3E%3C/svg%3E)
Goossens Dimitri (Admin)
0
Reputation points
commented 2025-09-12T12:58:23.85+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(163.2, 59%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
Med
0
Reputation points
1 answer
One of the answers was accepted by the question author.
Cannot Access Email Account on Browser, Outlook App, Desktop or iOS HELP
The following error is appearing accross all my platforms when I try to access this email account I use for both personal and business: UTC Date: 2025-09-11T21:48:08.480Z Client Id: 63A1D767C96D497B831B868F3750568E Session Id:…
Exchange | Exchange Server | Development
607 questions
asked 2025-09-12T01:13:32.82+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(281.6, 81%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECL%3C/text%3E%3C/svg%3E)
Caitlyn LeBlanc
40
Reputation points
accepted 2025-09-12T12:21:54.43+00:00
Caitlyn LeBlanc
40
Reputation points
1 answer
One of the answers was accepted by the question author.
How is the default language/timezone is decided for Shared Mailboxes?
Hello, For User Mailboxes, the use is prompted when they sign in for the first time to OWA to decide their language and time zone. This decides the language they have for their Default folders (Inbox, Spam...) When they use Outlook Desktop, I assume…
Exchange | Exchange Server | Other
1,491 questions
Exchange | Exchange Server | Development
607 questions
Exchange | Exchange Server | Management
7,972 questions
Exchange | Hybrid management
2,338 questions
Exchange | Other
736 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(80, 13%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESA%3C/text%3E%3C/svg%3E)
1 answer
Automating HTML Email Reports with Attachments via PowerShe
In our organization, we have an automated reporting process that runs nightly on a Windows server using PowerShell scripts. As part of this workflow, we generate both an HTML-formatted summary (for better readability) and a few file attachments (like CSV…
Exchange | Exchange Server | Development
607 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(124.80000000000001, 4%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ET%3C/text%3E%3C/svg%3E)
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(73.60000000000001, 9%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKN%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
Unable to Authenticate EWS Access – invalid_client Error Due to Missing client_assertion or client_secret
We are attempting to access Exchange Online mailboxes programmatically using EWS with modern authentication (via MSAL.NET), but are encountering the following error when acquiring an access token: MSAL.NetCore.4.72.1.0.MsalServiceException: ErrorCode:…
Exchange | Exchange Server | Development
607 questions
asked 2025-09-11T06:58:52.13+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(105.60000000000001, 97%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENB%3C/text%3E%3C/svg%3E)
Neeraj Bhatia
20
Reputation points
accepted 2025-09-11T13:24:48.2433333+00:00
Neeraj Bhatia
20
Reputation points
1 answer
One of the answers was accepted by the question author.
operations fail with an intermittent 500 Internal Server Error
We’re developing a custom service account integration with Exchange Online to send and archive messages on behalf of project mailboxes. The app is registered in Azure AD with EWS.AccessAsUser.All and Mail.ReadWrite application permissions, and global…
Exchange | Exchange Server | Development
607 questions
asked 2025-09-10T13:14:41.4233333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(208, 46%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHA%3C/text%3E%3C/svg%3E)
Hamed Amadli, Kasmir
20
Reputation points
accepted 2025-09-10T14:29:06.6933333+00:00
Hamed Amadli, Kasmir
20
Reputation points
1 answer
One of the answers was accepted by the question author.
I’d like to know if it’s possible to use a web security filter (WAF) in an environment that includes Exchange Server
I’d like to know if it’s possible to use a web security filter (WAF) in an environment that includes Exchange Server 2019. Specifically, I’m wondering whether key features like webmail access, admin portal, calendar services, and mobile syncing can still…
Exchange | Exchange Server | Development
607 questions
asked 2025-09-05T08:03:40.86+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(230.39999999999998, 66%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETZ%3C/text%3E%3C/svg%3E)
Tsat Zovokov
40
Reputation points
accepted 2025-09-05T10:06:07.9033333+00:00
Tsat Zovokov
40
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
607 questions
asked 2025-08-28T12:48:49.9333333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(64, 37%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMT%3C/text%3E%3C/svg%3E)
Mateus Tenorio
0
Reputation points
commented 2025-09-01T07:34:06.7033333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(32, 54%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESN%3C/text%3E%3C/svg%3E)
Steven-N
7,820
Reputation points Microsoft External Staff
Moderator
1 answer
Mentions not working in outlook. No setting to enable the mention option
Hello team , For outlook i m using Microsoft exchange 2016 . I m trying to use the mention option for Outlook sent mails , but its not working . Also when i tried to search in file - options -Mail - Sent items - check the mention option I didn't find…
Exchange | Exchange Server | Development
607 questions
asked 2025-08-13T07:09:38.5933333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(140.8, 42%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYP%3C/text%3E%3C/svg%3E)
Yogesh Punde
0
Reputation points
commented 2025-08-29T12:46:39.31+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(144, 15%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJB%3C/text%3E%3C/svg%3E)
Jack-Bu
3,155
Reputation points Microsoft External Staff
Moderator
1 answer
Please fix the following issues to continue:
I am trying to create VM for SMTP server. please provide me the guide link
Exchange | Exchange Server | Development
607 questions
asked 2025-08-24T04:10:18.2933333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(246.4, 88%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESS%3C/text%3E%3C/svg%3E)
SAJID SAJAN
0
Reputation points
commented 2025-08-29T09:37:54.7533333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(105.60000000000001, 84%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHN%3C/text%3E%3C/svg%3E)
Hani-Ng
2,445
Reputation points Microsoft External Staff
Moderator
2 answers
550 5.7.54 SMTP; Unable to relay recipient in non-accepted domain Error
Hello everyone and thanks for the help in advance. I am developing a C# .Net 9 Windows Application that uses the SmtpClient to send emails. I have an on premises Exchange Server 2019 that I want the application to connect to for sending emails. I…
Exchange | Exchange Server | Development
607 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(208, 34%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EK%3C/text%3E%3C/svg%3E)
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(297.6, 3%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVV%3C/text%3E%3C/svg%3E)
1 answer
POP3 with OAuth
Getting below error with IMAP Oauth while Authentication. Caused by: javax.mail.AuthenticationFailedException: Authentication failure: unknown user name or bad password. DEBUG POP3: connecting to host "outlook.office365.com", port 995, isSSL…
Exchange Online
Exchange Online
A Microsoft email and calendaring hosted service.
6,458 questions
Exchange | Exchange Server | Development
607 questions
asked 2023-08-14T18:53:55.3766667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(144, 88%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMQ%3C/text%3E%3C/svg%3E)
Microsoft Q & A
386
Reputation points
answered 2025-08-14T14:27:53.7566667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(214.4, 0%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ES%3C/text%3E%3C/svg%3E)
Sammuel
0
Reputation points
0 answers
Mentions not working in outlook. No setting to enable the mention option
Hello team , For outlook i m using Microsoft exchange 2016 . I m trying to use the mention option for Outlook sent mails , but its not working . Also when i tried to search in file - options -Mail - Sent items - check the mention option I didn't find…
Exchange | Exchange Server | Development
607 questions
asked 2025-08-13T07:13:04.3733333+00:00
Yogesh Punde
0
Reputation points
commented 2025-08-13T10:01:42.25+00:00
Jack-Bu
3,155
Reputation points Microsoft External Staff
Moderator
0 answers
Cannot fetch internet headers for an email item when replying/forwarding from the "Sent" folder of a user
We have an Office.js add-in running in Exchange Server. When a user sends an email using our add-in, we add an internet header to the email item. When a user then tries to reply to/forward that email, our add-in tries to fetch the internet header set…
Exchange | Exchange Server | Development
607 questions
asked 2025-08-08T12:24:27.9133333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(70.4, 91%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERK%3C/text%3E%3C/svg%3E)
Raghunandan Kumbhar
20
Reputation points
commented 2025-08-10T00:25:32.1466667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(294.40000000000003, 68%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECB%3C/text%3E%3C/svg%3E)
Cara Batalkan Pinjaman Shopee Spinjam Spinjam
0
Reputation points
1 answer
Not receiving <InReplyTo> tag in EWS GetItem response if mail subject changed in reply
I have an add-in that I run in Exchange Server 2019. When replying to an email, my add-in requires some information related to the parent email. For this, I use the EWS GetItem API. In the response, I get an <InReplyTo> tag, where I find…
Exchange | Exchange Server | Development
607 questions
asked 2025-07-22T11:46:21.5066667+00:00
Raghunandan Kumbhar
20
Reputation points
commented 2025-08-07T13:06:02.42+00:00
Raghunandan Kumbhar
20
Reputation points
1 answer
Office.js dialog box 'X' close button missing when using Exchange Server in an offline environment
I have an add-in which I am running in an Exchange Server 2019 setup. The setup is completely offline, so I am hosting Office.js assets locally. When I try to open an Office.js dialog, the 'X' close button at the top right corner of the dialog box is…
Exchange | Exchange Server | Development
607 questions
asked 2025-07-22T10:37:42.6333333+00:00
Raghunandan Kumbhar
20
Reputation points
commented 2025-08-07T13:03:10.6433333+00:00
Raghunandan Kumbhar
20
Reputation points
1 answer
How do I use all the features of outlook classic including calendars and tasks with a non outlook email?
I Have a non-outlook email address, for example, a gmail or a domain linked to my business. I want to use the old Outlook classic as I can make bespoke forms in tasks. The problem is, my email address won't allow sync to occur and says (next to calendar…
Exchange | Exchange Server | Development
607 questions
asked 2025-07-22T12:54:09.1466667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(35.2, 96%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJA%3C/text%3E%3C/svg%3E)
Julie Alfrey
0
Reputation points
commented 2025-07-28T14:11:51.6766667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(54.400000000000006, 70%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETN%3C/text%3E%3C/svg%3E)
Tammy-Ng
3,095
Reputation points Microsoft External Staff
Moderator
1 answer
One of the answers was accepted by the question author.
How to configure Exchange Server 2019 for hybrid deployment with Office 365?
How to configure Exchange Server 2019 for hybrid deployment with Office 365? Body: Hello, I am setting up an Exchange Server 2019 environment and want to configure a hybrid deployment with Office 365. Could you please guide me through the key steps for…
Exchange | Exchange Server | Development
607 questions
asked 2025-07-20T15:34:43.6633333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(38.4, 42%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGN%3C/text%3E%3C/svg%3E)
GHAZANFAR NAQUI
20
Reputation points
accepted 2025-07-23T09:35:26.0766667+00:00
GHAZANFAR NAQUI
20
Reputation points