Calendar invite
Hi All i have a recurring meeting invite to be deleted on few users calendar. Lets say the Meeting invite subject is Test1. User sent two meeting invites with the subject Test1 and the requirement is only to delete one recurring meeting invite. If i use…
Outlook Desktop (Windows) stuck in a loop asking for credentials on launch after adding Exchange accounts hosted on OVHCloud
I'm having issues with the Outlook installation on my Windows 10 work PC with email accounts added as Exchange accounts (Exchange 2016 hosted by OVHCloud, not on Microsoft 365). Up until recently, I had no issues whatsoever using these Exchange accounts…
The security certificate has expired or is not yet valid
Hello. I recently renewed the Exchange Server Certificate. Now randomly, the user will see an alert pop-up saying, "The security certificate has expired or is not yet valid". If they click on view certificate, it points to the old cert, not the…
Email Delivery issue
Hello Please i need your help on this issue. We are having issue with email delivery from outside our organization. Its only receiving emails from people inside my organization. When I tried to send an email from Gmail I received this error below:
Delivery Management
Hi All I am using exchange 2016 hybrid environment and lets say my domain is domain1.com. i have another domain lets say domain2.com and domain2.com is external to domain1.com In exchange onprem domain2.com is added as accepted domain. in exchange online…
Create Transport Rule.
I have a Distribution List (DL) (dl1@contoso.com) in Exchange Online with 30,000 internal users. Only user1@contoso.com is allowed to send emails to this DL (Delivery Management: Specified Senders: user1@contoso.com). User1 is planning to send an email…
Exchange OnPrem 2019 not sending auto reply for Message Size Exceed
Sending email form my Yahoo and Gmail and it goes through our Spam Filter, but Exchange gives it a ROUTING FAIL event as the message size of 20MB exceeds the users limits. The problem is , I dont get a reply from my exchange to my Yahoo or Gmail that…
Error when running Active Directory schema commands for Exchange 2016 installation
Hi Exchange Community, I am in the process of installing an Exchange 2016 server in our environment, which currently hosts Exchange 2010. However, I encountered an error while attempting to execute Active Directory schema commands. The error message…
NDR Messages getting rejected
Hi, im getting this strange error from one of my clinet. "host techoneglobal-com.mail.protection.outlook.com[52.101.132.30] said: 501 5.1.7 Invalid address [HK3PEPF0000021A.apcprd03.prod.outlook.com 2024-05-07T09:24:38.125Z 08DC6DF45E00D1A9] (in…
restrict mailbox
Hi All I have a requirement for one mailbox. Specifically, let's say User1 is the user. When User1 sends any email (internal or external) to any recipient, the email should first be approved by User2 before it is sent out. If User2 doesn't approve the…
Upgrade windows server 2012R2 to windows server 2016, will the Exchange system be affected?
Our current system is installing Exchange 2016 on the Windows 2012R2 OS platform. We are planning to upgrade the OS to Windows 2016 -> I want to ask, will the Exchange system be affected? Do I have to reconfigure Exchange? Thanks to everyone for help
ASR failback failed with Error ID 539 & Error ID 151192
I have failed over MS Exchange Mailbox Server in a VM and Edge server in another VM to another Azure region using Azure Site Recovery. When I tried to fail back to the initial region, Re-Protect operation failed with Error ID 539 and Error ID 151192. …
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…
Hello Team, Do we have any recommendation from Microsoft that Autodiscover endpoint to be pointing to autodiscover.outlook.com? when we have hybrid environment?
We have a hybrid exchange setup with exchange 2016 on premise server, our client is saying that they got recommendation from Microsoft that Autodiscover end point to be added as autodiscovery.outlook.com in CNAME
message recall reports are not correct In hybrid exchange
HI, We have hybrid exchange 2019, the issue only happens when cloud user sends an email to on premise user and when user tries to recall his email he got this message (Messages to recipients outside your organization or on-premises can't be recalled),…
custom role
Hi All, I want to create a custom role in the Exchange Online Admin Center where I can provide specific users with Read access to Recipients. That is, under Recipients, I want to grant read access to the following: Please guide me. Mailboxes, Groups…
Exchange Server is modifying GPOs in AD
Hello Everyone, in our SIEM, we are getting more than 300 incident a day that a GPO has been modified by the exchange server machine account and the Property Name: msExchMailboxAuditLastAdminAccess. Can anyone please explain this incident, and give us…
How to exclude myself from Reply All on iOS Outlook app
Every time I Reply All to an email in the iOS Outlook app it includes my own email address as a recipient and I have to manually edit the recipients and remove myself. There is no option to turn this off. Why is this a standard behavior?
Tenant restricted from sending email
Hello Please i need your help on this issue. We have received alert that our email service has been barred "Tenant restricted from sending email". Last night we had issue, and this might have contributed to large number of email alerts…
outlook 2019 tracking emails reports not always working 100%
Hi, I have issue in my company where tracking emails reports are not always working 100% all time, kindly note that we are using outlook 2019 and our environment is Hybrid exchange 2019, there is no pattern for the issue it just happens randomly from…