Microsoft Exchange

1 answer

Outlook.com to Microsoft 365 Migration failed

I'm trying to migrate my Outlook.com email to Microsoft 365 with IMAP Migration, but it keeps failing with this error. Error: ImapAuthenticationException: The username or password for this account is incorrect, or IMAP access is disabled. --> Imap…

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iresh93 21

commented

iresh93 21

1 answer

Mail Flow in Hybrid Deployment When HQ Goes Down

Hello, We currently have a Hybrid Exchange deployment with three Exchange Server 2019 Mailbox servers in our HQ, and we also have a DR site with another three Mailbox servers as part of the same DAG. I already understand how mail flow works between our…

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Ahmed Essam 140

commented

Ahmed Essam 140

0 answers

when adding send on behalf to a distribution list i get the message try again later

Hello Please i need your help on this issue. when adding send on behalf to a distribution list i get the message "try again later"

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James James 20

1 answer

How to get the list of accounts with General as Employee number along with Mailbox and OneDrvie quota

Hello all, Is there way to pull a report for all generic accounts having General as Employee number along with Mailbox and OneDrive quota and last login details.

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Mani 376

commented

Mani 376

2 answers

How to set time zone in microsoft teams - Hybrid Deployment

Hello, We are using teams in our organisation, and we're bringing on board some more people who are in different timezones. I've taken a look at this thread here:…

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Rowan Scott 0

edited a comment

Rowan Scott 0

9 answers

when i run the connect-exchangeonline to connect it it should open a authentications window but it gives the error A window handle must be configured. See https://aka.ms/msal-net-wam#parent-window-handles At C:\Program Files\WindowsPowerShell\Modules\Exc

when i connect-exchangeonline i get this error : A window handle must be configured. See https://aka.ms/msal-net-wam#parent-window-handles At C:\Program…

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Tanuj Saini 55

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-M 10

0 answers

Can't revert from "Mail User" to "User Mailbox"

Hello, One of my users lost complete access to her mailbox, I believe her Office licence got "removed" for 2~ hours then put back but nothing came back to normal... O365 Admin Center shows this message on their profile : Exchange : The…

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Axel C-FR 0

0 answers

Users Unable to Access Webmail or Outlook After Upgrading Exchange 2019 to CU15

Hi Everyone, After upgrading Microsoft Exchange Server 2019 to CU15, some users from different locations are facing issues accessing their email through webmail (OWA) and Outlook mobile app. Here are the specific problems we're encountering: Webmail…

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Ahmed Reja 0

edited the question

simo-k 4,335

3 answers

Office add-in deployment within integrated apps: eligibility error with the Centralized Deployment

Hi, We have outlook add-in deployed via centralized deployment in "Microsoft 365 admin center > Settings. > IntegratedApps". For some time it was there and it worked. We went to update manifest file, this update didn't take any…

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Ante Kotarac 40

commented

Barry Wells 0

2 answers

When DelegateSentItemsStyle is set, the Mail is always stuck in Outbox

We saw online on TechNet, that it is possible to send a mail in the name of a shared Mailbox and we tried to save the mail in the sent items in the shared Mailbox, cause we don't need a copy in the primary Mailbox. I attached an image from TechNet,…

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Aus der Au Dino 0

answered

Aus der Au Dino 0

2 answers

Orange.fr SMTP does not deliver to my Exchange 2013 server anymore

Hi all, We use an on premise Exchange 2013 Server for our mail base. Since a few weeks, only mails from @orange.fr can't contact our organization. Any othe domain can. I update SPF, DKIM and dmarc policy on our domain but nothing has changed. Every…

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Mickael Vosgien 0

commented

Kaiyue Gong (Shanghai Wicresoft Co Ltd) 710 Microsoft External Staff

1 answer

Configure outlook Error.

I have free licenses for my organization for learning and practice, on every user mail id is showing but when i go to configure in outlook or sending mail to that ID it's not completion please anyone can Help me out. Thanks Regards.

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Shah Baig 15

answered

Bruce Jing-MSFT 10,235 Microsoft External Staff

2 answers

Gmail migration tool - stuck at NeedsApproval

Hello dear MS techs I'm pulling my hair off with having a problem with Gmail migration tool built-in Microsoft 365 admin center. I am using batch migration, not remote. I've done two pilot groups and there are many issues I'm facing with it and starting…

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Mart Lehtmets - HELMES 0

answered

Mart Lehtmets - HELMES 0

0 answers

Impossible to revert "Mail User" to "User Mailbox"

Hello, One of my users lost complete access to her mailbox, I believe her Office licence got "removed" for 2~ hours then put back but nothing came back to normal... We are using Exchange 2019, Active Directory and Azure. O365 Admin Center shows…

asked

Axel C-FR 0

1 answer

Exchange stop warning with Warning ASP.NET 4.0.30319.0

Hi everybody, Exchange 2019 with last cu and su. i get multiple warning error : Log Name: Application Source: ASP.NET 4.0.30319.0 Date: 06/03/2025 18:51:23 Event ID: 1309 Task Category: Web Event Level: Warning Keywords:…

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Marco 1

edited a comment

Marco 1

3 answers

Exchange Server 2019 - ASP.NET 4.0.30319.0 Event ID 1309

Hello, I have an Exchange 2019 CU14 and it was working fine till I installed the Security Update for Exchange 2019 Cumulative Update 14 (KB5036401). since then my Event viewer is filled with ASP.NET 4.0.30319.0 Event ID 1309. ECP and OWA are working fine…

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EDDY RAFFOUL 0

commented

EDDY RAFFOUL 0

3 answers

How to list multiple domains in an exchange mail flow exception rule?

In Exchange I created a mail rule to prepend a disclaimer for mail outside our organization, however I want to add a list of domains as an exception. The list of domains are our clients. I want to do this so emails do not have the External mail banner…

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Rose Ingrande 0

commented

Sharon Zhao-MSFT 25,361 Microsoft External Staff

1 answer

I am trying to connect the VPN access and I am not getting authentication message on my phone although my professional account is already being added in the Microsoft authenticator app

asked

ravi shukla 5

answered

VasimTamboli 5,120

2 answers

Send As Gmail Alias Configuration

Hi, I have previously setup a Gmail alias that allows me to "send as" my office365 email address. This is achieved in Gmail under "Settings", "Accounts and Imports" and "Send Mail As'". I have successfully set…

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Jeff 21

commented

Alexandra Horinkova 0

3 answers

Basic Authentication for SMTP Deprecation

Hello, I understand that basic authentication is being discontinued later this year. Is Microsoft planning on creating temporary blocks as a way to remind users to prepare for the discontinuation? I believe they did this years ago for the TLS 1.1…

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Anon4343 521

accepted

Anon4343 521

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13,959 questions with Microsoft Exchange-related tags

Outlook.com to Microsoft 365 Migration failed

Mail Flow in Hybrid Deployment When HQ Goes Down

when adding send on behalf to a distribution list i get the message try again later

How to get the list of accounts with General as Employee number along with Mailbox and OneDrvie quota

How to set time zone in microsoft teams - Hybrid Deployment

when i run the connect-exchangeonline to connect it it should open a authentications window but it gives the error A window handle must be configured. See https://aka.ms/msal-net-wam#parent-window-handles At C:\Program Files\WindowsPowerShell\Modules\Exc

Can't revert from "Mail User" to "User Mailbox"

Users Unable to Access Webmail or Outlook After Upgrading Exchange 2019 to CU15

Office add-in deployment within integrated apps: eligibility error with the Centralized Deployment

When DelegateSentItemsStyle is set, the Mail is always stuck in Outbox

Orange.fr SMTP does not deliver to my Exchange 2013 server anymore

Configure outlook Error.

Gmail migration tool - stuck at NeedsApproval

Impossible to revert "Mail User" to "User Mailbox"

Exchange stop warning with Warning ASP.NET 4.0.30319.0

Exchange Server 2019 - ASP.NET 4.0.30319.0 Event ID 1309

How to list multiple domains in an exchange mail flow exception rule?

I am trying to connect the VPN access and I am not getting authentication message on my phone although my professional account is already being added in the Microsoft authenticator app

Send As Gmail Alias Configuration

Basic Authentication for SMTP Deprecation