1,461 questions with Exchange | Exchange Server | Other tags
Does autodiscover v2 supports only exchange online or on prem as well
I am trying to migrate my code from autodiscover v1 to autodiscover v2 for my product. I m using a hybrid environment now i just want to know if autodiscover v2 supports on prem users and if so what will be the endpoint because i am getting 404 not found…
Exchange | Exchange Server | Other
Unable to Add Mailbox Server to DAG – Cluster API Failed
I am currently encountering a persistent issue while attempting to add a mailbox server from our DR site to a Database Availability Group (DAG) in our Exchange Server environment. Despite following the recommended best practices, the operation fails with…
Exchange | Exchange Server | Other
Unable to Add Mailbox Server to DAG – Cluster API Failed
Hello Experts, I’m encountering a persistent issue while adding the mailbox server from DR site to a Database Availability Group (DAG) in my Exchange Server environment. Despite following all best practices, the operation fails with a cluster API timeout…
Exchange | Exchange Server | Other
Outlook desktop
Hello Please i need your help on this issue. On Outlook desktop, Mail view I have a task pane. When I click the task in the list a popup opens with the text: "We are getting your task list ready". It is showing preloaded and never ends…
Exchange | Exchange Server | Other
Outlook | Windows | Classic Outlook for Windows | For business
Exchange | Other
Cleanup from issues experienced with Exchange Server 2019 CU15 PrepareSchema and PrepareAD
Over this last weekend, I decided to run the PrepareSchema and PrepareAD steps for CU15 since, up until now, it has been a fairly quick and straightforward process. Both seemed to complete without issue, but then I noticed that repadmin was reporting…
Exchange | Exchange Server | Other
How to correct meeting requests appearing twice in Outlook calendar?
Using Outlook 2021 with Exchange 2019 on premise. The calendar of one of our users displays twice every event for which she receives an invitation. All events and meeting requests she creates are not impacted by this issue. We have already tried multiple…
Exchange | Exchange Server | Other
can not create my hotmail account to outlook
Exchange | Exchange Server | Other
my outlook doesn't work on phone and browsers, error 401, how to fix it?
UTC Date: 2025-07-10T09:28:04.885Z Client Id: **PII removed** Session Id: **PII removed** Client Version: 20250704003.03 BootResult: fail Back Filled Errors: Unhandled Rejection: Error: 401:undefined|undefined:undefined err: Error: 401 esrc:…
Exchange | Exchange Server | Other
Can't login account on Outlook App. Facing "An error occurred during authentication. Please try again later."
We are experiencing an issue with logging into Exchange On Premises ( Exchange Server 2013/2019) email on the Outlook app for both Android and iOS. All users who are accessing their accounts for the first time or relogging after logging out are…
Exchange | Exchange Server | Other
Outlook | Windows | Classic Outlook for Windows | For business
microsoft 365 - Outlook will not connect to server after windows update
Outlook will not connect to server immediately after windows update. I can now connect to Office 365 but states my account does not have permission to view or manage
Exchange | Exchange Server | Other
Outlook says to view more messages i need to click on the link for Microsoft Exchange
No results even though Outlook says there are four items on the server. Followed these instructions: Open Outlook > Click File > Account Settings > Account Settings. Click the Exchange or Microsoft 365, and then click Change. Under Offline…
Exchange | Exchange Server | Other
I have been locked out of my personal email account for a week, how can I access it again?
I have been locked out of my email account for a week and have submitted the security verification form but still haven't heard back. Is there anything else I can do? I need to access my emails and I don't know what more to do Thank you, Marie
Exchange | Exchange Server | Other
Could not start IIS Admin service. Event 7024
Hi, I am having an issue accessing my exchange admin center (exchange 2016) via web browser, HTTP 500 internal error. upon checking the services, I found that IIS Admin was unable to start and was showing this error message By checking event…
Exchange | Exchange Server | Other
Windows development | Internet Information Services
When will Microsoft clarify Exchange Server SE "Qualifying Cloud Subscriptions"
This is getting very annoying, and the question keeps being avoided by Microsoft anyone would think this is deliberate, sureley now Exchange Server SE has been released this information should be available? Other cloud subscription licenses besides…
Exchange | Exchange Server | Other
Exchange server domian across migration with certificater
"I have an existing Exchange Server 2016 with the MRS (Mailbox Replication Service) enabled. On IIS, both the Frontend and Backend are bound to a public wildcard certificate (*). Now, I'm performing a cross-forest migration. All other configurations…
Exchange | Exchange Server | Other
Exchange-SMTP app connect failed some times
"I have an application that tries to connect to the SMTP service of Exchange Server 2019 for sending emails. However, it occasionally fails to send messages—but not all jobs fail. I tried using port 587 and 25, and the issue occurs with both. How…
Exchange | Exchange Server | Other
Shared calendars do not display in Outlook mobile app
User has an iphone with the outlook app. Go to add a shared calendar in outlook mobile, and it is checked that she already has it, but nothing displays. Uninstalled and reinstalled outlook, removed and added account, deleted shared calendar on desktop…
Exchange | Exchange Server | Other
Outlook | Windows | Classic Outlook for Windows | For business
A problem with MS Exchange or why outlook does not want to synchronize? 0X80040115 error
Hi everyone, today 2. april 2024 around lunchtime, we had a problem with two users connecting their outlook to the exchange server. In the event logo of Windows there is a recurring message about the loss and restoration of the connection with the MS…
Exchange | Exchange Server | Other
Outlook | Windows | Classic Outlook for Windows | For business
Admin accounts cannot access ECP, Exchange 2019 CU12
We migrated from Exchange 2010 to Exchange 2019 CU12. But none of original Org Management access accounts get access the ECP. We all get an http 500 error. I created a brand-new account and that works fine. The new account has a mailbox On Prem, but all…
Exchange | Exchange Server | Other
Exchange | Exchange Server | Management
Exchange | Hybrid management

What are the symptoms of an expired "Microsoft Exchange Server Auth Certificate"?
So I recently inherited an older Exchange 2013 Standard server (fully patched) I noticed that the Microsoft Exchange Server Auth Certificate has been expired for a long time. There are no complaints or any issues reported by the users but I have noticed…