Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 questions
9 answers
Hybrid moves fail since Oct 2026: MRSProxy 401, Event 4625 shows "Administrator" with empty domain (endpoint credentials ignored)
Since ~12 Oct 2026 23:53 UTC, all onboarding moves (Exchange 2019 CU15 -> Exchange Online, Modern Hybrid / Hybrid Agent) fail with TooManyTransientFailureRetriesPermanentException / CommunicationErrorTransientException right after "Connected to…
Exchange | Hybrid management
asked
2026-10-16T17:36:55.3633333+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(160, 85%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDS%3C/text%3E%3C/svg%3E)
Dario Steck (dplan AG)
5
Reputation points
answered
2026-11-05T12:18:13.53+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(243.2, 31%, 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)
AT
0
Reputation points
1 answer
Migration Connect-Sync to Cloud-Sync
How do we prevent device export from Connect Sync for a pilot OU without triggering a delete export, and then pass the same hybrid join device objects to AD2AADDeviceSync? The single test successfully updated the existing object.
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 questions
asked
2026-11-05T10:55:29.4133333+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(163.2, 51%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGK%3C/text%3E%3C/svg%3E)
GUENTHER, Kay
0
Reputation points
answered
2026-11-05T11:26:42.2566667+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(195.2, 97%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKT%3C/text%3E%3C/svg%3E)
Kristen Tran
2,785
Reputation points
Independent Advisor
1 answer
extensionAttributeX syncing to Entra via Entra Connect "broken"
We're a hybrid shop in the process of decommissioning the last on-prem Exchange server. In preparation for this, I've done the following: I've run Set-OrganizationConfig -ExchangeAttributesCloudManagedByDefault in the tenant. I've run a script setting…
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 questions
asked
2026-10-29T14:03:20.0966667+00:00
Joe Grover
646
Reputation points
edited an answer
2026-10-29T15:01:35.5733333+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(259.20000000000005, 95%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERT%3C/text%3E%3C/svg%3E)
Roebe Ta
1,825
Reputation points
Independent Advisor
2 answers
azure sync issue in hybrid deployment
We had an onPrem dynamic distribution group which was deleted, and then a normal onPrem distribution group was created with the same email aliases. Just one of the aliases wont sync to azure, showing error as below. All the other aliases (and there are a…
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 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(108.80000000000001, 44%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERL%3C/text%3E%3C/svg%3E)
4 answers
The HTTP request is unauthorized with client authentication scheme 'Negotiate'.
Hi, We are currently in a hybrid configuration E2019CU15 with O365, trying to migrate mailboxes to O365 we are seeing the error below on all mailboxes we are trying to migrate. Error: CommunicationErrorTransientException: The call to…
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 questions
asked
2026-02-06T12:14:58.6033333+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, 15%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EN%3C/text%3E%3C/svg%3E)
nettech
181
Reputation points
edited an answer
2026-10-11T12:00:50.51+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, 26%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EST%3C/text%3E%3C/svg%3E)
Sergey Trusov
0
Reputation points
1 answer
Exchange On premise Calendar integration with MS teams
Hi We have Exchange Hybrid in place where some users on cloud some at on premise exchange. All are syncing from On premise AD via AAD COnnect. However On premise Exchange mailbox users unable to see Calendar tab in MS teams where Exchange Online users…
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 questions
Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,208 questions
Microsoft Teams | Microsoft Teams for business | Other
Microsoft Teams | Microsoft Teams for business | Other
Additional features, settings, or issues not covered by specific Microsoft Teams categories
21,224 questions
asked
2022-06-09T09:28:26.397+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(166.4, 18%, 26%)' 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)
GoodResource
326
Reputation points
answered
2026-10-11T01:47:08.7333333+00:00
Ceyhun KIRMIZITAS
0
Reputation points Microsoft External Staff
2 answers
One of the answers was accepted by the question author.
Minimum of the Exchange hybrid configuration for Teams calendar sharing
The company has recently deployed Microsoft Teams, but we prefer to keep everything else on-premises (mailboxes, mail flow in/out to the Internet). We have a requirement to share calendar free/busy information between Microsoft Teams (in Microsoft 365)…
Microsoft Teams | Microsoft Teams for business | Other
Microsoft Teams | Microsoft Teams for business | Other
Additional features, settings, or issues not covered by specific Microsoft Teams categories
21,224 questions
Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,655 questions
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 questions
asked
2024-07-05T14:39:56.3+00:00
Michal Ziemba
271
Reputation points
edited an answer
2026-10-11T01:41:30.5233333+00:00
Ceyhun KIRMIZITAS
0
Reputation points Microsoft External Staff
1 answer
Synced users provisioning to Exchange online issues
Hello, We are currently working on a project to migrate users from an on-premises Exchange Server to Microsoft 365 / Exchange Online. We have configured Microsoft Entra Connect with Exchange hybrid synchronization enabled, and we have configured a…
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 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, 57.99999999999999%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJ%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
Enchange 2010 to Exchange Online migration - Migrating mailboxes used by applications
Hello, We are migrating an Exchange Server 2010 to Exchange Online. All user mailboxes were already migrated. There are 10 mailboxes that were used by server applications, using a Receive Connector with IP addresses cofigured for every source server.…
Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
7,472 questions
Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,208 questions
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 questions
asked
2020-11-26T22:11:29.267+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(54.400000000000006, 11%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECR%3C/text%3E%3C/svg%3E)
Cristian Ruiz
191
Reputation points
commented
2026-09-24T21:20:54.1633333+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(28.799999999999997, 24%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHJ%3C/text%3E%3C/svg%3E)
Herald Johnson
0
Reputation points
1 answer
One of the answers was accepted by the question author.
Exchange online migration
First time I work with exchange online, where I need to migrate a user account that today has a IMAP account. So overall I just look for best practise. Overall I need to change the MX record to point to Exchange online. Then I need to migrate the imap…
Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
7,472 questions
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 questions
asked
2024-10-09T00:27:04.01+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(121.6, 32%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA1%3C/text%3E%3C/svg%3E)
Anthony-123
380
Reputation points
answered
2026-09-24T21:10:50.2566667+00:00
Herald Johnson
0
Reputation points
1 answer
Unable to accept shared calendar invitations from Exchange On-Premises to Exchange Online in a hybrid environment
Hello, We are experiencing an issue with calendar sharing in our Exchange hybrid environment (Exchange On-Premises and Exchange Online). Problem description An Exchange On-Premises user creates a secondary calendar and shares it with colleagues whose…
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 questions
asked
2026-09-24T08:12:36.2433333+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, 14.000000000000002%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESE%3C/text%3E%3C/svg%3E)
Stadelmann, Enzo
0
Reputation points
commented
2026-09-24T09:26:50.1966667+00:00
Stadelmann, Enzo
0
Reputation points
1 answer
Exchange 2016 Hybrid OAuth to Exchange Online EWS failing with 403 after HCW rerun
We are working on completing an Exchange hybrid migration/decommission project and are blocked by an OAuth issue. Environment: Exchange Server 2016 CU23 Build 15.01.2507.061 Single on-prem Exchange server Hybrid with Exchange Online HCW was rerun…
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 questions
asked
2026-07-17T16:32:00.8533333+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, 7.000000000000001%, 30%)' 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)
Shawn Alston
0
Reputation points
answered
2026-09-21T23:17:17.3833333+00:00
Ceyhun KIRMIZITAS
0
Reputation points Microsoft External Staff
2 answers
Transport rule for messages outside the organization are trigered for migrated mailboxes outgoing mail
Hello. Running into an issue: (1) Mail destined to outside the organization from a migrated mailbox to online, triggers a transport rule that is configured for incoming emails from outside the organization ("Caution: this email is from outside of…
Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,208 questions
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 questions
asked
2022-04-06T17:17:59.96+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(19.2, 98%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJU%3C/text%3E%3C/svg%3E)
Jesus Urbina
1
Reputation point
edited an answer
2026-09-21T21:38:53.25+00:00
Ceyhun KIRMIZITAS
0
Reputation points Microsoft External Staff
4 answers
One of the answers was accepted by the question author.
Exchange Hybrid Migration Queries
I've started migrating mailboxes from our on prem Exch 2019 hybrid environment up to Exchange Online. So far so good with the actual migrations, all has gone smoothly as expected. I've noted a few anomalies post migration I wasn't expecting…
Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
7,472 questions
Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,208 questions
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 questions
asked
2022-09-01T12:49:21.693+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(236.8, 44%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMP%3C/text%3E%3C/svg%3E)
Matthew Pollock
256
Reputation points
edited an answer
2026-09-21T21:38:20.7066667+00:00
Ceyhun KIRMIZITAS
0
Reputation points Microsoft External Staff
1 answer
One of the answers was accepted by the question author.
renewing Microsoft Exchange Server Auth Certificate in hybrid Exchange Serverhy 2019
Dears, I Have hybrid Exchange Server 2019 in my environment, last week my Microsoft Exchange Server Auth Certificate has expired and ECP/OWA stopped from working, so I renewed the certificate by using these commands: [PS] C:>New-ExchangeCertificate…
Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
1,655 questions
Exchange | Exchange Server | Management
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
8,208 questions
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 questions
asked
2024-03-06T10:50:28.88+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, 37%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EIA%3C/text%3E%3C/svg%3E)
Ibrahim AlHusari
191
Reputation points
edited an answer
2026-09-21T21:31:22.7833333+00:00
Ceyhun KIRMIZITAS
0
Reputation points Microsoft External Staff
3 answers
Exchange Hybrid Wizard Setup, Follow Up Setup
Exchange 2019 Cu14. Working on migrating to Exchange online. The goal is to enable Entra connect, migrate Exchange to the cloud, end Entra connect, and manage the cloud/local AD separately. When running the Exchange Hybrid Wizard, what all is configured…
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 questions
asked
2026-09-14T22:32:52.39+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(163.2, 7.000000000000001%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESD%3C/text%3E%3C/svg%3E)
Susan Dodds
421
Reputation points
commented
2026-09-16T22:06:56.9733333+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(48, 32%, 14%)' 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)
Jay1 Tran
1,895
Reputation points
Independent Advisor
1 answer
Exchange On-Premises to Multiple Exchange Online Tenants Migration - Guidance Required for Multi-Entity Mailbox Design
Hello Experts, URGENT!! We are planning a migration from a centralized Exchange On-Premises environment to Microsoft Exchange Online, where each business entity will have its own independent Microsoft 365 tenant. Current Environment The organization…
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 questions
asked
2026-09-13T17:44:35.5433333+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, 98%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMA%3C/text%3E%3C/svg%3E)
Muhammad Adeeb
0
Reputation points
commented
2026-09-15T10:42:34.4066667+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(48, 45%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHN%3C/text%3E%3C/svg%3E)
Hani-Ng
2,835
Reputation points
Independent Advisor
2 answers
Exchange Online Mailbox Deprovisioning Behavior
We would like clarification regarding the current mailbox deprovisioning behavior in our Hybrid Exchange environment. Historically, when a user was terminated, we would: Disable the account in on-premises Active Directory. Remove all Microsoft 365…
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 questions
asked
2026-09-03T09:24:53.0066667+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, 89%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAA%3C/text%3E%3C/svg%3E)
Aslanidis Athanasios
0
Reputation points
edited the question
2026-09-04T13:52:37.7066667+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(310.4, 15%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDV%3C/text%3E%3C/svg%3E)
Daniel-Vo
7,900
Reputation points Microsoft External Staff
Moderator
2 answers
Exchange Admin - Migration Endpoints are Missing / not showing
Hello Guys, were running Hybrid Exchange Environment. Since last Week im no longer able to load our Migration Endpoints. https://admin.cloud.microsoft/exchange#/migrationbatch I got the Role "Exchange Admin" and cant see the Endpoints. My…
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 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(51.2, 93%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EB%3C/text%3E%3C/svg%3E)
4 answers
Missing movable holidays (Easter-based holidays) in Outlook calendar for 2027 across multiple Microsoft 365 tenants
We are experiencing a consistent issue across multiple Microsoft 365 tenants and organizations. In Outlook (desktop) and Outlook on the web, holidays for 2027 are partially missing. Fixed public holidays (such as Christmas and New Year) are displayed…
Exchange | Hybrid management
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,463 questions
asked
2026-06-16T13:05:03.3533333+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(281.6, 82%, 37%)' 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)
S
5
Reputation points
answered
2026-09-03T12:32:00.4766667+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(294.40000000000003, 97%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHM%3C/text%3E%3C/svg%3E)
Heinle Markus
5
Reputation points