2,311 questions
1 answer
Hybrid Migration from exchange 2016 to M365 cloud
I am migrating from exchange 2016 to m365 cloud. Hybrid mode. At one point, I was able to receive external and internal. but not send internally to on Prem. today, I cannot receive any email. I can still only email external, but not internal. i am…
Exchange | Hybrid management
asked 2025-07-10T15:50:41.3533333+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, 62%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESL%3C/text%3E%3C/svg%3E)
Scott, Laketa R
0
Reputation points
commented 2025-07-16T01:56:10.4666667+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(297.6, 3%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVV%3C/text%3E%3C/svg%3E)
Vergil-V
875
Reputation points Microsoft External Staff
Moderator
0 answers
Disabling NTLM authentication over HTTP in on-premises Exchange environments
I am using a Hybrid Exchange Server 2016 on-premises alongside Exchange Online, and all mailboxes have been successfully migrated to Exchange Online. My on-premises Active Directory (AD) is synchronised with Entra ID using Entra ID Connect. I want to…
Exchange | Hybrid management
2,311 questions
asked 2025-07-04T14:48:07.9933333+00:00
EnterpriseArchitect
6,061
Reputation points
asked 2025-07-04T14:48:07.9933333+00:00
EnterpriseArchitect
6,061
Reputation points
1 answer
forward from Gsuite to M365 doesn't work
Hi, i'm migrating my organization frmo Gsuite to M365. Since it is a phased migration i still have Mx record pointing at google MTA. users already in O365 have a. forwarding rule withing Google. point is: this rule sometimes just doesn't work i se…
Exchange | Hybrid management
2,311 questions
asked 2025-06-26T16:55:38.3533333+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(240, 5%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGC%3C/text%3E%3C/svg%3E)
Gabriele Cafaro
0
Reputation points
commented 2025-06-30T07:49:48.98+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, 68%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJT%3C/text%3E%3C/svg%3E)
Jade-T
2,310
Reputation points Microsoft External Staff
Moderator
1 answer
One of the answers was accepted by the question author.
calendar sharing across organizations where the external user initially sees your calendar, but new events don't appear.
I have Hybrid setup- exchange 2019 with exchange online. i have federation trust enabled and cloud to on-prem and on-prem to cloud free/busy working without issue. i have requirement to share my calendar to external organization and i was able to add it…
Exchange | Hybrid management
2,311 questions
asked 2025-06-25T05:17:04.26+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(224.00000000000003, 39%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKJ%3C/text%3E%3C/svg%3E)
Kanchana Jayathilake
20
Reputation points
accepted 2025-06-27T11:16:16.7633333+00:00
Kanchana Jayathilake
20
Reputation points
3 answers
Exchange hybrid management with Exchange SE?
Hi All I was wondering if anybody had anymore information regarding the following scenario now that Exchange SE is going to be available? The scenario is: All mailboxes from a Exchange 2019 server have been migrated up to Office 365. The Exchange 2019…
Exchange | Hybrid management
2,311 questions
asked 2025-06-19T13:19:41.9366667+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(176, 28.999999999999996%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EME%3C/text%3E%3C/svg%3E)
Marc Edwards
0
Reputation points
commented 2025-06-27T00:09:09.1+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, 25%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGN%3C/text%3E%3C/svg%3E)
Gabriel-N
2,995
Reputation points Microsoft External Staff
Moderator
3 answers
One of the answers was accepted by the question author.
issue of hiding a user from global address list
I have a hybrid Exchange environment with single Exchange 2013 and all mailboxes in M365. I simply liked to use Exchange PowerShell to hide a user from the global address book but received the error. Please advise. Tried: Set-Mailbox -Identity…
Exchange Online
Exchange Online
A Microsoft email and calendaring hosted service.
6,202 questions
Exchange | Hybrid management
2,311 questions
asked 2022-12-15T22:00:03.87+00:00
Calvin Goodman
86
Reputation points
commented 2025-06-24T11:49:11.2633333+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(131.20000000000002, 75%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESA%3C/text%3E%3C/svg%3E)
SATISHKUMAR A/L PANNIRSELRAM
0
Reputation points
1 answer
One of the answers was accepted by the question author.
Migrating email archive over 100GB but below 240GB
Hi all, If a user has a mailbox of less than 100Gb, but an archive mailbox of lets say 150GB with auto expanding on, will the emails be migrated and the archive mailbox be adjusted instantly, or will the migration wait until the auto expand has added the…
Exchange | Hybrid management
2,311 questions
asked 2025-06-19T18:45:20.9833333+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(150.4, 75%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERB%3C/text%3E%3C/svg%3E)
Raymond Brooks
366
Reputation points
accepted 2025-06-23T12:48:40.0566667+00:00
Raymond Brooks
366
Reputation points
1 answer
HMA and Outlook mobile (AutoDetect) not working on Exchange 2019 Hybrid
Outlook mobile (both iOS and Android) is not working when setup a new account profile. Below is the results of Testing Outlook Mobile Hybrid Modern Authentication (HMA) from Microsoft Remote Connectivity Analyzer. Checking the services listed for the…
Exchange | Hybrid management
2,311 questions
![](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(54.400000000000006, 27%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EK%3C/text%3E%3C/svg%3E)
![](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(105.60000000000001, 69%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHV%3C/text%3E%3C/svg%3E)
1 answer
How to configure Mailflow to allow on-prem application mails to get delivered to Cloud groups
Hello All, We are in Hybrid mode and recently we migrated few DL's to cloud only one's to make easy for group owner access and got to know that on-prem application were getting failed to these new cloud only groups I tried with @domain.onmicrosoft.com to…
Exchange | Hybrid management
2,311 questions
![](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(300.8, 45%, 39%)' 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)
1 answer
One of the answers was accepted by the question author.
Authentication migration
I Need to migrate to the converged Authentication methods. I need to know if I do an automatic migration that the users won’t be prompted for anymore authentication. I don’t want to interrupt the 170 or so users when they login and launch Outlook after I…
Exchange | Hybrid management
2,311 questions
asked 2025-06-18T19:47:41.1466667+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, 9%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECD%3C/text%3E%3C/svg%3E)
Corwin, Don
40
Reputation points
accepted 2025-06-19T16:14:43.5766667+00:00
Corwin, Don
40
Reputation points
2 answers
Why does new cloud sync configuration creation fail with "An unexpected error occurred"?
The reason is I need to migrate from Exchange 2016 standalone, on-premise to Exchange Online. It needs to be in the hybrid configuration for a few months so I can stagger the migration. I am signed in using a Global Admin account. In Azure's "New…
Exchange | Hybrid management
2,311 questions
asked 2025-06-17T02:02:55.2033333+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(268.8, 6%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJP%3C/text%3E%3C/svg%3E)
Jax Planet
91
Reputation points
commented 2025-06-19T11:16:17.5466667+00:00
Jax Planet
91
Reputation points
1 answer
This library cannot be searched
Hi All I followed the article below to add organizational fonts to SharePoint as an Organization Asset Library, and it’s working…
Exchange | Hybrid management
2,311 questions
asked 2025-05-20T20:31:27.8966667+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(265.6, 72%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERR%3C/text%3E%3C/svg%3E)
Roger Roger
7,181
Reputation points
commented 2025-06-18T13:32:33.23+00:00
Jack
0
Reputation points
2 answers
One of the answers was accepted by the question author.
Migrating emails/calendar categories from Exchange On-prem to Exchange Online
Hi just a few things I need clarification on with migration in a hybrid environment: When migrating will categories be migrated. If I backup and restore the categories, will be everything be restored, for example: If a meeting/email has a custom…
Exchange | Hybrid management
2,311 questions
asked 2025-06-09T15:28:50.31+00:00
Raymond Brooks
366
Reputation points
commented 2025-06-17T15:46:31.1966667+00:00
Raymond Brooks
366
Reputation points
1 answer
after exchange 2019 cumulative update 15, mailbox migration to exchange online stopped working
after exchange 2019 cumulative update 15, mailbox migrations to exchange online stopped working. Does it have something to do with Extended Protection or whatever it's called? How can I make it work again? It was working before, we were on CU12...
Exchange | Hybrid management
2,311 questions
asked 2025-04-29T23:43:35.46+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(214.4, 75%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBT%3C/text%3E%3C/svg%3E)
Braun, Thaddeus
0
Reputation points
commented 2025-06-17T13:39:28.7466667+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(99.2, 41%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECH%3C/text%3E%3C/svg%3E)
Cyril Huntjens
0
Reputation points
0 answers
Query on Exchange upgrade
Hi All, I am currently running Exchange Server 2016 and have upgraded to Exchange Server 2019 in my lab environment as part of the upgrade process. My existing environment consists of two Exchange 2016 servers (Server01 and Server02). I have provisioned…
Exchange | Hybrid management
2,311 questions
asked 2025-06-14T11:00:59.6166667+00:00
Roger Roger
7,181
Reputation points
asked 2025-06-14T11:00:59.6166667+00:00
Roger Roger
7,181
Reputation points
0 answers
How to prepare AD and upgrade Exchange server from CU5 to CU15 after Entra Connect has been installed in local domain
Hi all I have installed Microsoft Entra Connect. Now I want deploy hybrid Exchange. My exchange is 2019 CU5. I learnt I must upgrade to latest version, CU15. I have successfully extend Schema but AD preparation failed after 40% installation, on…
Exchange | Hybrid management
2,311 questions
asked 2025-06-07T14:50:32.3133333+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(208, 13%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA5%3C/text%3E%3C/svg%3E)
AlphonseSossou-5262
0
Reputation points
edited a comment 2025-06-12T08:59:39.81+00:00
AlphonseSossou-5262
0
Reputation points
1 answer
One of the answers was accepted by the question author.
Where did my question go
Ive posted TWO questions about an issue, and yet one refresh of my browser, and NO DAMN QUESTION there anymore.... Whats going on??????
Exchange | Hybrid management
2,311 questions
asked 2025-06-09T17:23:04.61+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(83.2, 8%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EH4%3C/text%3E%3C/svg%3E)
HoughtonJason-4020
50
Reputation points
commented 2025-06-10T11:25:18.6766667+00:00
HoughtonJason-4020
50
Reputation points
2 answers
[Window Title] Connexion Bureau à distance [Content] L’ordinateur distant nécessite une authentification au niveau du réseau, qui n’est pas prise en charge par votre ordinateur. Pour obtenir de l’assistance, contactez votre administrateur système ou le s
[Window Title] Connexion Bureau à distance [Content] L’ordinateur distant nécessite une authentification au niveau du réseau, qui n’est pas prise en charge par votre ordinateur. Pour obtenir de l’assistance, contactez votre administrateur système ou le…
Exchange | Hybrid management
2,311 questions
asked 2024-08-12T09:36:23.97+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, 7.000000000000001%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPL%3C/text%3E%3C/svg%3E)
Patrick LALBIA
0
Reputation points
answered 2025-06-09T17:39:37.86+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, 61%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBI%3C/text%3E%3C/svg%3E)
Belle ITOUA
0
Reputation points
1 answer
A user in a distribution group cannot receive an email
Hello. Please help me figure out the problem. We have a hybrid environment that includes an on-premise server MS Exchenge 2016. There is a distribution group. Users are added to it. All users except one receive emails sent to this distribution…
Exchange | Exchange Server | Management
7,927 questions
Exchange | Hybrid management
2,311 questions
Microsoft Security | Microsoft Entra | Other
2,614 questions
![](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(217.60000000000002, 10%, 31%)' 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)
1 answer
Powershell Get-Message not showing same fails as online.
Hello I have a powershell script that pulls failed messages from a specific account using the exchange online module. This is done with an entra app and certificate and thumbprint. I am able to pull all messages from an account but when I attempt to pull…
Exchange | Hybrid management
2,311 questions
asked 2025-05-19T18:41:31.11+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(300.8, 66%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDG%3C/text%3E%3C/svg%3E)
Dominic Garcia
0
Reputation points
commented 2025-06-06T12:02:28.53+00:00
Dominic Garcia
0
Reputation points