Microsoft Exchange Online
A Microsoft email and calendaring hosted service.
1,646 questions
0 answers
How to force Outlook Office 365 to use modern auth and MFA
I've set up Okta federation with our Office 365 domain and enabled MFA for Okta users but AzureAD still does not force MFA upon login. I want to enforce MFA for AzureAD users because we are under constant brute force attacks using only user/password on…
asked 2023-03-01T18:12:23.3266667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 8%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Anonymous
edited the question 2023-03-03T10:45:54.5933333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(281.6, 17%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGM%3C/text%3E%3C/svg%3E)
Givary-MSFT
30,931
Reputation points Microsoft Employee
1 answer
Deleting Calender Entry, Ressource-Calendar
Hi Microsoft 365 Exchange Ressource-Calendar with mail sizi-ds-gross@domain.com User with personal mailbox lastname@domain.com User has a serial date in his own calender. He delete the meeting in his own calendar and send a update that the serial…
asked 2023-02-28T15:46:03.33+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(32, 70%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EC%3C/text%3E%3C/svg%3E)
calgia
21
Reputation points
commented 2023-03-03T08:40:32.31+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(284.8, 17%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYS%3C/text%3E%3C/svg%3E)
Yuki Sun-MSFT
41,016
Reputation points
1 answer
Cannot delete an Exchange Online contact
Hello we tried to delete a contact on our Exchange Online tenant but we have error message below : Microsoft.Exchange.Configuration.DualWrite.LocStrings.UnableToWriteToAadException|An Azure Active Directory call was made to keep object in sync between…
asked 2023-03-01T10:01:48.0033333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(211.20000000000002, 77%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKK%3C/text%3E%3C/svg%3E)
KRIEGEL Kevin
0
Reputation points
commented 2023-03-03T07:43:02.8066667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(9.6, 31%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJX%3C/text%3E%3C/svg%3E)
Jame Xu-MSFT
4,176
Reputation points
1 answer
One of the answers was accepted by the question author.
Cannot delete admin role group in exchange admin center
Hi all, I have created a "role group" in Exchange admin center named "test import/export mailbox" have not assigned any users to it and only one permission "Mailbox import export". i cannot edit, assign any users to it or…
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(297.6, 53%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EG%3C/text%3E%3C/svg%3E)
1 answer
IMAP not working:NO AUTHENTICATE failed
Hi, I am trying to Login to office 365 mailbox via IMAP. I am able to get token and when I decode it , it gives me following roles : "roles": [ "User.Read.All", "full_access_as_app", "Mail.ReadWrite", …
asked 2023-02-28T07:22:11.7766667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(204.8, 47%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECS%3C/text%3E%3C/svg%3E)
CovrEdge Support
5
Reputation points
commented 2023-03-02T12:47:33.3633333+00:00
Carlos Solís Salazar
17,791
Reputation points MVP
1 answer
One of the answers was accepted by the question author.
Fail to authenticate SMTP connection using OAuth with the access token generated by MSAL
Have an issue with OAuth authentication to connect with SMTP protocol and send email data only for personal outlook account, while there is no problem to connect with IMAP protocol. And both SMTP and IMAP authentication work well for enterprise outlook…
asked 2023-02-28T02:56:31.0233333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(182.40000000000003, 41%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJZ%3C/text%3E%3C/svg%3E)
Jason Zheng
20
Reputation points
accepted 2023-03-02T08:11:10.9366667+00:00
Jason Zheng
20
Reputation points
2 answers
One of the answers was accepted by the question author.
Exchange Hybrid - Exchange online
We are in the beginning stages of migrating exchange on-prem to exchange online. This will be a hybrid deployment. The consultant said that we will need a public SSL certificate. The consultant stated that the name on the cert must be resolvable. He…
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(134.4, 7.000000000000001%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
2 answers
EOP related
I want to know what are the Extension restrictions of Exchange online protection that enforced by a system to prevent malware intrusion from email attachments? Does following restrictions are correct or not according to microsoft Business Premium? 1.The…
asked 2023-02-24T01:34:29.07+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(192, 17%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENS%3C/text%3E%3C/svg%3E)
Nepali Sandhya
260
Reputation points
commented 2023-03-02T02:32:41.5933333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(41.6, 80%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAL%3C/text%3E%3C/svg%3E)
Aholic Liang-MSFT
13,826
Reputation points Microsoft Vendor
2 answers
Powershell Get-DynamicDistributionGroupMember with filter on CustomAttribute
Will someone confirm if this works for an Dynamic Distribution List Set-DynamicDistributionGroup -Identity "dl_AllEmployees@Contoso.com" -ConditionalStateOrProvince Florida -CustomAttribute1 Florida Get-DynamicDistributionGroupMember -Identity…
asked 2023-02-24T11:21:20.6+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(51.2, 97%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGM%3C/text%3E%3C/svg%3E)
gino matthys
0
Reputation points
commented 2023-03-02T02:30:39.15+00:00
Aholic Liang-MSFT
13,826
Reputation points Microsoft Vendor
2 answers
SMTP Authentication Issues - App Password already enabled
Hello There, Wondering if anyone has any experience with office 365 business, and using external apps to send mail through SMTP. I'm building a php script to send emails from my account, using phpmailer class, and I believe I've set everything up…
asked 2023-02-26T09:13:56.64+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(121.6, 35%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EZ%3C/text%3E%3C/svg%3E)
Zafran
0
Reputation points
commented 2023-03-02T02:28:58.67+00:00
Aholic Liang-MSFT
13,826
Reputation points Microsoft Vendor
5 answers
One of the answers was accepted by the question author.
Cross-tenant mailbox migration with on-premise AD environment
Hi all, I'm planning to migrate mailbox from sub company tenant xyz.com --> my company tenant abc.com (more accurately is merging sub company xyz.com to my company abc.com) Source tenant : xyz.com , Microsoft 365 , 100 users mailboxes , will be…
asked 2023-02-17T07:58:47.75+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(201.6, 17%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJC%3C/text%3E%3C/svg%3E)
Jack Chuong
361
Reputation points
accepted 2023-03-02T01:25:41.44+00:00
Jack Chuong
361
Reputation points
6 answers
One Azure VM terminal server user account cannot connect with Outlook 365 desktop app
Reposting here after asked to move to this forum... We have an Azure virtual machine terminal server running MS Datacenter 2016. Users log in via RDP with their Microsoft Azure accounts. They have E3 licenses. Recently, a single user started having…
asked 2023-02-05T15:56:53.7366667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(192, 0%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAW%3C/text%3E%3C/svg%3E)
Amy Watson
0
Reputation points
edited the question 2023-03-01T13:31:01.61+00:00
Givary-MSFT
30,931
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
exchange online kiosk and basic authentication
Hi team, now that basic authentication is blocked, will this mean that i can't purchase anymore exchange online kiosk licenses? or this means no i still can purchase these licenses but i need to use outlook on the web to access the emails and i cant use…
asked 2023-02-10T13:01:14.28+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(233.6, 26%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EE%3C/text%3E%3C/svg%3E)
eg1995
1,136
Reputation points
edited the question 2023-03-01T07:41:53.1766667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(246.4, 22%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKY%3C/text%3E%3C/svg%3E)
Kael Yao-MSFT
37,676
Reputation points Microsoft Vendor
1 answer
Voting options don't work in Exchange Online
Hi, We have a hybrid environment with users on both on-premise and migrated to Exchange Online, but we noticed that the voting options don't work in the migrated mailboxes e.g. my mailbox is migrated and when I received an e-mail from an on-premise…
asked 2023-02-23T10:06:08.01+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(38.4, 48%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EP%3C/text%3E%3C/svg%3E)
Popov
46
Reputation points
commented 2023-03-01T07:05:36.05+00:00
Jame Xu-MSFT
4,176
Reputation points
1 answer
Send email to Group Owner's of Exchange Online
Hello, normally the Group Owner is the Department Manager and I want a new Manager to get the emails when the Admin changes the Ownership field in Exchange Online. How to send email to Group Owner? I know that if an email is sent to the Group…
asked 2023-02-08T14:11:01.8866667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(246.4, 21%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Abuenon
0
Reputation points
edited the question 2023-03-01T02:42:27.41+00:00
Yuki Sun-MSFT
41,016
Reputation points
2 answers
Converting Public folders to Shared mailbox
First time poster so please be nice :) I'm currently looking at moving away from public folders to shared mailboxes my main issue is within the public folder I have multiple sub folders all receiving mail from different places. I know all the addresses…
asked 2023-02-28T03:10:36.33+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(291.2, 0%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESW%3C/text%3E%3C/svg%3E)
Shay Wereik
0
Reputation points
edited the question 2023-03-01T02:14:26.26+00:00
Jame Xu-MSFT
4,176
Reputation points
1 answer
One of the answers was accepted by the question author.
How to add a member to a distribution group now that basic authentication has been deprecated?
Hi How should we deal with the fact that we cannot basic authenticate? You can no longer use Exchange Online with basic authentication and Microsoft Graph does not support adding users to distribution groups with thier API.
asked 2023-02-01T14:20:20.1533333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(80, 97%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ES%3C/text%3E%3C/svg%3E)
Simon
20
Reputation points
edited the question 2023-03-01T01:57:28.8466667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(0, 0%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EZY%3C/text%3E%3C/svg%3E)
Zehui Yao_MSFT
5,846
Reputation points
1 answer
One of the answers was accepted by the question author.
Suspicious phishing email to organization email accounts
Good day everyone, I have a client that received an email from a gmail account that was sent to all the email address in the organization with the GM's name, surname and other personal information. The client only has the free AD subscription and no…
asked 2023-02-28T09:19:46.6433333+00:00
Maurice Botha
76
Reputation points
edited the question 2023-02-28T17:37:27.87+00:00
JamesTran-MSFT
36,541
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
Migrate to Exchange 2019 Hybrid with different UPN's in AD
I have AD domain named rootcompany.com. Additionally - UPN suffixes 2ndcompany.com, 3rdcompany.com and 4thcompany.com (with accepted domains in Exchange on prem.). At the moment there are no problems. Everything works. But now the task has been set to…
asked 2023-02-28T05:00:48.0766667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(64, 19%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETV%3C/text%3E%3C/svg%3E)
Tahir Vahid
60
Reputation points
accepted 2023-02-28T12:36:18.53+00:00
Tahir Vahid
60
Reputation points
1 answer
Mdeamon Hybrid Exchange online
How do I configure MDaemon and Microsoft 365 to use the same domain name?
asked 2023-02-16T03:03:57.07+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(35.2, 31%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDN%3C/text%3E%3C/svg%3E)
Dũng Trần
0
Reputation points
commented 2023-02-28T11:21:25.4233333+00:00
Carlos Solís Salazar
17,791
Reputation points MVP