524 questions with Exchange Server Development tags

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1 answer

SMTP OAuth device_code flow authentication problem

I am creating a client that could make user connect to Exchange Online, and send E-mail as the logged-in user. I have created the corresponding Organization, User and Application on Microsoft services, did the settings that seems necessary. Conventional…

Microsoft 365
Microsoft 365
Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line.
4,188 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.
4,331 questions
Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 questions
asked 2024-06-27T09:42:17.28+00:00
立軒 林 20 Reputation points
edited the question 2024-06-28T07:30:20.91+00:00
Mike Hu-MSFT 1,940 Reputation points Microsoft Vendor
1 answer

Upgrading Exchange Server 2016 from CU 20 to latest CU that is in Hybrid.

Hi, I have Exchange Server 2016 that is currently on CU 20 and I would like to upgrade it to the latest CU 23. We are in Hybrid and on prem is primarily used for SMTP relay and initial on boarding of users/mailboxes that are then migrated to O365. I am…

Microsoft Exchange Online
Exchange Server
Exchange Server
A family of Microsoft client/server messaging and collaboration software.
1,159 questions
Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 questions
Microsoft Exchange
Microsoft Exchange
Microsoft messaging and collaboration software.
435 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.
1,964 questions
asked 2024-05-31T17:32:31.2966667+00:00
Mohsauga 0 Reputation points
edited a comment 2024-06-27T06:28:08.8066667+00:00
Xintao Qiao-MSFT 715 Reputation points Microsoft Vendor
0 answers

Request for Email Activity Report with Internal/External Breakdown - exchange online

Hi everyone, Is it possible to generate a report that shows the number of emails sent and received by each user, with a breakdown of internal and external emails? I understand that we can find some basic metrics in the admin center under Reports >…

Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 questions
asked 2024-06-26T13:20:27.0533333+00:00
Aran Billen 741 Reputation points
3 answers

An Active Directory error 0x51 occurred" error when you run the "Setup /PrepareAD" command in Exchange server 2013.

Hi Experts Can someone from you give an idea how to fix this issue in Exchange ? . We are currently upgrading the CU version of our exchange 2013 Mailbox and CAS server. From CU8 to CU23. Prepare schema is all goods but after performing PrepareAD setup…

Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 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.
7,453 questions
asked 2022-04-24T07:50:01.167+00:00
Homer Sibayan 361 Reputation points
answered 2024-06-18T14:28:23.3466667+00:00
DX 0 Reputation points
1 answer

Outlook Add-in deployment for Exchange - not allowed in desktop client

Hi, I'm currently working on deploying an outlook add-in. However, at the last steps of the deployment, it seems as though we are hitting a wall - and I cannot fully understand what is happening from the documentation. We are deploying an add-in as .xml…

Outlook
Outlook
A family of Microsoft email and calendar products.
3,297 questions
Office Development
Office Development
Office: A suite of Microsoft productivity software that supports common business tasks, including word processing, email, presentations, and data management and analysis.Development: The process of researching, productizing, and refining new or existing technologies.
3,673 questions
Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 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.
7,453 questions
asked 2024-02-26T14:21:26.4633333+00:00
Cas Teeuwen 0 Reputation points
answered 2024-06-14T23:06:38.5866667+00:00
Miguel Gonçalves | AVANADE 886 Reputation points
12 answers One of the answers was accepted by the question author.

Microsoft.Exchange.WebServices.Data.EmailMessage error "The operation can't be performed because the item is out of date. Reload the item and try again"

Hi, I have been using Microsoft Exchange Web Services for a couple of years in my asp.net c# system and had no issues. Last week 1 customer started getting below error, then yesterday another customer and 2 more…

Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 questions
asked 2024-05-23T08:49:37.1566667+00:00
David Joyce 150 Reputation points
answered 2024-06-13T23:14:03.2266667+00:00
Rabin Panichnok 0 Reputation points
0 answers

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…

Microsoft Exchange Online
Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 questions
asked 2023-08-14T18:53:55.3766667+00:00
Microsoft Q & A 381 Reputation points
commented 2024-06-12T15:02:17.7133333+00:00
Miguel Gonçalves | AVANADE 886 Reputation points
0 answers

IMAP error: User is authenticated but not connected?

Hi Team, I am encountering a problem while performing mail operations such as move message or retrieve message for more than 20 requests. error which i am receiving is: "User is connected but not authenticated.". followed all instructions…

Microsoft Exchange Online
Outlook
Outlook
A family of Microsoft email and calendar products.
3,297 questions
Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 questions
asked 2023-09-11T07:41:29.35+00:00
Gaurav Baranwal 11 Reputation points
commented 2024-06-12T14:58:27.6666667+00:00
Miguel Gonçalves | AVANADE 886 Reputation points
0 answers

exchange FindFolders: specific value has invalid HTTP Header Characters

Hi,  I recently started hitting a bug, and any suggestions on how to work around this would be greatly appreciated. There were no changes to the code in the past 12 months+, and suddenly the application is breaking at this line:   var ewsClient = new…

Microsoft Exchange Online
Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 questions
Microsoft Exchange
Microsoft Exchange
Microsoft messaging and collaboration software.
435 questions
asked 2024-01-10T16:07:22.94+00:00
ReMED Services Orders 0 Reputation points
commented 2024-06-11T23:00:22.38+00:00
Miguel Gonçalves | AVANADE 886 Reputation points
0 answers

How to allow users from other organisations to sign up and send e-mails using their own Microsoft365 or Outlook e-mail accounts?

Hi there, I'm building an online invoicing app. I want users to be able to provide their e-mail credentials, so the invoice will be sent to their customer from their e-mail directly. These users are clients, they have no connection to me. I am currently…

Microsoft Exchange Online
Microsoft Authenticator
Microsoft Authenticator
A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation.
5,938 questions
Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 questions
asked 2024-01-18T20:38:20.79+00:00
Tom Murmylo 0 Reputation points
commented 2024-06-11T22:51:54.0333333+00:00
Miguel Gonçalves | AVANADE 886 Reputation points
1 answer

Exchange Token Validation Error with a JWT from Exchange Microservice

Hello! I am struggling with the validation of the Exchange Token. The documented process on how to validate the token worked for a long time but does not anymore. Please see "Validate token contents" here Office 365 Exchange MicroserviceOffice…

Microsoft Exchange Online
Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 questions
asked 2024-02-11T16:12:21.1033333+00:00
Paul Stempel 0 Reputation points
answered 2024-06-11T22:38:12.94+00:00
Miguel Gonçalves | AVANADE 886 Reputation points
0 answers

How to debug authentication problems in EWS?

Hi, I am developing a booking integration for Microsoft Exchange Hybrid configuration. I'm using EWS, becasue Graph doesn't support hybrid. For development, I have an Exchange Online environment. The ultimate goal is to access a list of rooms, list their…

Microsoft Exchange Online
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.
4,331 questions
Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 questions
asked 2024-03-12T07:37:17.6266667+00:00
Zdenek Devaty 0 Reputation points
commented 2024-06-11T22:26:14.6266667+00:00
Miguel Gonçalves | AVANADE 886 Reputation points
0 answers

Reocurring Calendar events using MSGraph and Powershell

We have a CSV list of Holidays we are to inject into Exchange Online Calendars many of them are repeating events such as Ramadan for example. The CSV is in this format:…

Microsoft Graph
Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
11,193 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.
4,331 questions
Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 questions
asked 2024-06-10T15:07:25.86+00:00
Scott Stockton 0 Reputation points
edited the question 2024-06-11T02:24:36.74+00:00
Noah Ma-MSFT 1,850 Reputation points Microsoft Vendor
3 answers

Connect-Exchange Online (Error while sending the request)

Hello, I'm getting the below Error while connecting to Exchange Online (PowerShell Script) when called from .Net Application. #Import-Module ExchangeOnlineManagement #Connect-ExchangeOnline -Credential $Creds An error occurred while…

Microsoft Exchange Online
Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 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.
1,964 questions
Windows Server PowerShell
Windows Server PowerShell
Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.PowerShell: A family of Microsoft task automation and configuration management frameworks consisting of a command-line shell and associated scripting language.
5,443 questions
asked 2023-11-20T10:17:36.3+00:00
AW13-2828 10 Reputation points
commented 2024-06-03T20:46:23.7233333+00:00
DB 0 Reputation points
1 answer

rest api for exchange online

I know there is rest API support to control your outlook/mail. But I need to know if there is any API reference for Exchange Online settings. For example, in powershell we have cmdlets like Get-TransportRule, Get-MalwareFilterPolicy,…

Microsoft Exchange Online
Microsoft Graph
Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
11,193 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.
4,331 questions
Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 questions
asked 2024-05-09T07:06:15.2+00:00
Prasanth J.k 40 Reputation points
commented 2024-05-31T09:23:52.3333333+00:00
Jake Zhang-MSFT 2,405 Reputation points Microsoft Vendor
0 answers

Getting an error when trying to setup Exchange Online ForwardingAddress in Azure Runbook

Hello, I am trying to setup an Azure Automation Runbook in which I convert a User Mailbox to a Shared Mailbox and setup a ForwardingAddress. I setup all the permissions and converting the mailbox is working, setting a forwarding address throws the…

Microsoft Exchange Online
Azure Automation
Azure Automation
An Azure service that is used to automate, configure, and install updates across hybrid environments.
1,171 questions
Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 questions
PowerShell
PowerShell
A family of Microsoft task automation and configuration management frameworks consisting of a command-line shell and associated scripting language.
2,255 questions
asked 2024-05-30T12:31:55.16+00:00
Nick 0 Reputation points
edited the question 2024-05-31T08:14:30.3233333+00:00
Noah Ma-MSFT 1,850 Reputation points Microsoft Vendor
3 answers

Unable to Send Email Messages using Microsoft.Exchange.WebServices Library

Hello! I've been using Microsoft.Exchange.WebServices 2.2.0 library to send emails from my C# application for a couple of years and have not been changed my code for a long time. It worked seamlessly but yesterday I started constantly getting the…

Exchange Server
Exchange Server
A family of Microsoft client/server messaging and collaboration software.
1,159 questions
Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 questions
asked 2024-05-22T19:05:03.85+00:00
Ihor Kuliiev 131 Reputation points
edited a comment 2024-05-30T15:46:07.8566667+00:00
John Frandolig 20 Reputation points
0 answers

Outlook access tokens not renewed automatically with Extended MAPI application

I have an Extended MAPI application running as a Windows service and using a previously, manually configured Outlook profile that accesses mailboxes on M365. This application has been running fine using the same Outlook profile for months or with some…

Microsoft Exchange Online
Outlook
Outlook
A family of Microsoft email and calendar products.
3,297 questions
Office Development
Office Development
Office: A suite of Microsoft productivity software that supports common business tasks, including word processing, email, presentations, and data management and analysis.Development: The process of researching, productizing, and refining new or existing technologies.
3,673 questions
Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 questions
asked 2024-05-10T10:06:06.8633333+00:00
Adrian Drollinger 0 Reputation points
edited the question 2024-05-28T02:52:37.9266667+00:00
KristianSmith-MSFT 31 Reputation points Microsoft Employee
0 answers

Read office 365 Emails with C#.Net using Exchange Web service APIs

I  trying to read My office 365 Emails with C#.Net using  Exchange Web service APIs   but getting 410 unauthorized error Could you please advise me on this

Microsoft Exchange Online
Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 questions
asked 2024-05-24T16:22:05.3233333+00:00
Kalra, Priyanka 1 Reputation point
edited the question 2024-05-27T07:34:42.8733333+00:00
Xintao Qiao-MSFT 715 Reputation points Microsoft Vendor
3 answers One of the answers was accepted by the question author.

How Can I Add Mutiple Domains for a Exchange Server 2019 and create users with them in a exchange server

Hi Team, I have set up the exchange server 2019 on the virtual machine that is integrated with the active directory and attached the domain suppose abc.com. I have created some users with this domain such as john@abc.com and ram@abc.com in the active…

Exchange Server
Exchange Server
A family of Microsoft client/server messaging and collaboration software.
1,159 questions
Microsoft Teams
Microsoft Teams
A Microsoft customizable chat-based workspace.
9,449 questions
Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
524 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.
7,453 questions
Microsoft Entra ID
Microsoft Entra ID
A Microsoft Entra identity service that provides identity management and access control capabilities. Replaces Azure Active Directory.
20,280 questions
asked 2023-06-13T23:01:29.9033333+00:00
Kanav Sharma 25 Reputation points
answered 2024-05-26T19:42:12.9866667+00:00
hh ss 0 Reputation points