Clearing Disabled Archive GUID Exchange 2016
I have an Exchange 2016 server with very large mailboxes, greater than 100GB. I have created online archives of 45GB and run a retention policy to move all emails older than 7 days to this online archive, which I then export to a PST file. I dont want…

In place Exchange Application upgrade
I have exchange server running on Operating System 2016 and on exchange version 2016. With all upcoming changes coming, I need to update it to the Exchange version 2019 and then to Exchange SE when it becomes available later this year. Quick overview of…

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…
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:…

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…

Generic emails with @shadow.outlook.com on Random emails from Andriod devices with On prem mailbox
Hello, One of our users have this recurring issue that a generic email address ending with @shadow.outlook.com appears on the emails, that are sent using outlook app from an Andriod device. The email configured is hosted on an on-prem Exchange 2019…
Outlook for iOS and Android is unable to connect to Exchange 2019
Outlook for iOS and Android is unable to connect to Exchange 2019. After adding the account, an error during authentication is displayed, please try again later. The built-in mail app of the mobile phone can connect, send, and receive emails normally.
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…
Random Remote Server returned '554 5.6.0 Corrupt message content NDR emails
I have been getting reports of random NDR's with error code Remote Server returned '554 5.6.0 Corrupt message content; STOREDRV.Deliver.Exception:ConversionFailedException.ConversionFailedException.TextConvertersException; Failed to process message due…
Exchange Server Subscription Edition support for Edge Transport Sever
Hi I already posted this question 2 weeks ago, but unfortunately didn't get an answer. Can someone from Microsoft answer this question please? We have an Exchange 2019 hybrid setup that includes Exchange Edge Transport servers. Will this scenario…
Configuration refresh failed with the following error
We have Exchange 2019 DAG and notice this messages keep appearing in server manager Manageability. However all nodes are added in all servers area so can we ignore this message? Configuration refresh failed with the following error: The WS-Management…
Cannot setup email in Odoo system
Hello guys Kindly help for solving the issue I've got that error (connection test failed here is what we got instead 5.7.3 authentication unsuccessful AM3PR07CA0129.eurprd07.prod.outlook.com) while setup one of my O365 licensed email on Odoo system…
In Outlook Mobile I can reply but not send new email
We have an on-Premise Exchange Server. When adding accounts to Outlook Mobile we have to use username@domain.local. We then select Exchange, but cannot change the email address. So it remains username@domain.local. This worked, but recently Outlook…

Problem with prod.outlook said: 451 4.7.500 Server busy. Please try again later
Hi Some clients send us mail with confirmation of receipt of the message (via server) And such messages are limited by you which prevents everyone from working. The limits appeared two weeks ago. No spam is sent or anything. Z8Qt64332z1Q9w6 12122 Fri…
Upgrade Exchange 2019 to Exchange SE
Hello Experts, Currently we have exchange 2019 CU14 hosted on windows server 2019, to in-place upgrade the new SE version do we need to upgrade the OS to Windows Server 2022? even after migrate the current cu14 to cu 15
ERROR - Microsoft Exchange Active directory topology can not start Event id 4027
Dear Support MS. I have a system Exchange 2013 SP1 CU23. I have just update windows server. My server Exchange ERROR - Micorsoft Exchange Active directory topology can not start Event id 4027 So all servcies Exchange ca not start so…

HTML Email Styles Not Applied When Sending to Gmail Using Exchange 2016
I am experiencing an issue when sending HTML emails to Gmail using Exchange 2016 (Build 15.1). The styles defined in the HTML body are not being applied to the email received. However, when I use Exchange 2019 (Build 15.2), the styles are correctly…
what DNS settings do I need to change (and where) when I close my shop bu want to keep my exchange email?
My small business is set up with 3 microsoft exchange email addresses and we DID have a big commerce online shop. The Name Server records were directed to Bigcommerce. I need to keep the email accounts on exchange. What settings do I need to set up at my…
unable to configure mobile outlook app for on-premise exchange server
We are unable to configure mobile outlook app for on-premise exchange server 2019 ( 15.2.1544.14) email accounts for all staff. Mobile app is not contacting our exchange server instead going to office365/outlook for authentication. Kindly help with it.
How to download the registration data in Teams webinar
Hi, I'd like to ask how to download the registration data in Teams webinar edit page before execution. Becuase I understand we can download the attendee list after executed webinars, however there is no buton on the right up side to download before…