Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,447 questions
2 answers
One of the answers was accepted by the question author.
How do you create a complete email backup before moving to a new system?
Hi everyone I'm planning to move my email account to a different environment and want to make sure I don't lose any important data during the process. My mailbox contains 9K+ emails, multiple custom folders, attachments, contacts, and years of…
Exchange | Hybrid management
asked 2026-07-27T05:48:03.55+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(12.8, 64%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESM%3C/text%3E%3C/svg%3E)
Steven Miller
20
Reputation points
accepted 2026-07-29T04:46:42.1966667+00:00
Steven Miller
20
Reputation points
2 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.
2,447 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
0
Reputation points
edited an answer 2026-07-27T06:42:17.7733333+00:00
Hornblower409
11,180
Reputation points
1 answer
Emails are being sent from onmicrosoft.com instead of the company's domain
I'm experiencing an issue with Exchange Online. After changing a user's license from Microsoft 365 Business Premium to Microsoft 365 E5, the user started sending emails using the onmicrosoft.com domain instead of the company's custom domain. So far, I…
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.
2,447 questions
asked 2026-07-22T14:54:57.9833333+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(105.60000000000001, 73%, 20%)' 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)
Raul Bassani Pressinoti Lucas
0
Reputation points
commented 2026-07-23T22:11:10.1066667+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(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)
Hin-V
16,660
Reputation points Microsoft External Staff
Moderator
1 answer
Display name change not removing/merging legacy ID in Outlook Calendar desktop client
Hello, We recently began syncing our hris to AD for emp data. This caused some sn/givenname changes. We run a hybrid environment. The issue is in desktop Outlook client, in Calendar. The executive team has a "Team" in Calendar and users are…
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.
2,447 questions
asked 2026-07-13T13:31:33.9766667+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, 14.000000000000002%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAB%3C/text%3E%3C/svg%3E)
Aaron B
0
Reputation points
commented 2026-07-20T14:00:36.5466667+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(227.2, 9%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMN%3C/text%3E%3C/svg%3E)
Michelle-N
20,485
Reputation points Microsoft External Staff
Moderator
2 answers
One of the answers was accepted by the question author.
Exchange is appending numbers to DL
Hi All i am using exchange2016 hybrid environment, i have created distribution list in exchange onprem by name Test Group. But in AD i can see the group name as Test Group-396684025 in Group Name(pre-windows 2000). This is happening to all the…
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.
8,191 questions
Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
7,327 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.
2,447 questions
asked 2021-04-18T23:13:00.877+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(179.20000000000002, 7.000000000000001%, 27%)' 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)
Glenn Maxwell
14,126
Reputation points
answered 2026-07-20T11:50:50.3733333+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, 86%, 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)
swey
11
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.
2,447 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
commented 2026-07-19T23:18:50.15+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(102.4, 11%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETD%3C/text%3E%3C/svg%3E)
Teddie-D
19,760
Reputation points Microsoft External Staff
Moderator
2 answers
Mail users syncing 'mail' attribute to Entra as a secondary address
Hello, We have a hybrid Exchange configuration and sync our Active Directory to Entra. We recently noticed that accounts that are mail users in Exchange have their samaccountname listed for their mail attribute in Entra, and the address from the mail…
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.
2,447 questions
asked 2026-07-08T20:34:04.6766667+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, 73%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGD%3C/text%3E%3C/svg%3E)
Gardner, Drew
0
Reputation points
commented 2026-07-18T18:07:41.61+00:00
Hin-V
16,660
Reputation points Microsoft External Staff
Moderator
1 answer
One of the answers was accepted by the question author.
Mailbox permissions
Hi I am using exchange SE hybrid environment. I have a room mailbox (resource mailbox) in Exchange Online, This room mailbox is created as remote mailbox from exchange onprem, for example room1[@]contoso.com is room maibox. I have a CSV file containing 5…
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.
2,447 questions
asked 2026-07-11T22:31:42.69+00:00
Glenn Maxwell
14,126
Reputation points
accepted 2026-07-12T14:16:34.81+00:00
Glenn Maxwell
14,126
Reputation points
1 answer
Account Issue. Sorry there was a problem while trying to connect to your account.
We are experiencing Microsoft 365 Apps activation failures on a subset of Windows devices after users were deleted from Microsoft Entra ID and recreated via on-premises Active Directory synchronization. Environment Hybrid Active Directory / Microsoft…
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.
2,447 questions
asked 2026-07-09T21:49:25.06+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, 67%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBN%3C/text%3E%3C/svg%3E)
Brandon Nothwang
0
Reputation points
commented 2026-07-11T23:31:52.8333333+00:00
Hin-V
16,660
Reputation points Microsoft External Staff
Moderator
1 answer
One of the answers was accepted by the question author.
Trying to clean up an accidentally on prem synced OU with EntraConnect
Accidentally synced an incorrect OU that happened to be our old on prem Distributions group OU. It turned our correct cloud mailbox into an on prem synced group. I need this to not be on prem managed and cloud only only for 1 specific group. I'm only…
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.
2,447 questions
asked 2026-07-06T18:55:58.16+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, 18%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETB%3C/text%3E%3C/svg%3E)
Tyler Balega
20
Reputation points
commented 2026-07-11T06:51:28.3466667+00:00
Teddie-D
19,760
Reputation points Microsoft External Staff
Moderator
1 answer
“Active Directory 2012 R2 → 2025 Migration with Microsoft 365 Sync Issues”
Hello Everyone, We are implementing a project to migrate our Active Directory (Windows Server 2012 R2) and Exchange 2010 mailboxes to Windows Server 2025 + Microsoft 365 (Exchange Online, Teams, SharePoint, OneDrive). During assessment, we identified…
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.
2,447 questions
asked 2026-07-09T13:23:56+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, 61%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBA%3C/text%3E%3C/svg%3E)
biruhken ayana
0
Reputation points
commented 2026-07-10T23:19:29.5166667+00:00
Hin-V
16,660
Reputation points Microsoft External Staff
Moderator
3 answers
One of the answers was accepted by the question author.
Best practice to create room mailbox in Exchange Hybrid setup
Hi, I am running Exchange Hybrid setup, Exchange 2019 with Exchange online. All our mailboxes (user\shared\room etc.) are migrated to Exchange online. All the users & room mailboxes has 'IsDirSynced' property value of 'TRUE'. AzureAD connect is in…
Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
7,327 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.
2,447 questions
asked 2021-04-29T10:22:18.627+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(307.2, 44%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPJ%3C/text%3E%3C/svg%3E)
prabhash-jena
21
Reputation points
commented 2026-07-10T16:50:55.65+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(25.6, 64%, 12%)' 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)
Gavin
1
Reputation point
2 answers
Exchange: An unknown error has occurred. Refer to correlation ID: <Removed PII>
Dears, User profile showing below error and not synchronizing data for On-premise to Exchange Online "Exchange: An unknown error has occurred. Refer to correlation ID:<Removed PII>
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.
2,447 questions
asked 2025-11-12T14:14:21.4633333+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, 25%, 13%)' 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)
Jeevan PK
5
Reputation points
commented 2026-06-25T04:53:15.7733333+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(92.8, 57.99999999999999%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHB%3C/text%3E%3C/svg%3E)
Hasen Bennud
0
Reputation points
1 answer
mshybridservice.trafficmanager.net down?
When I try to run the HCW I get error: System.Net.WebException: The remote name could not be resolved: 'mshybridservice.trafficmanager.net' I have tried to report this to the big M, but they tell me it's my DNS miss-configured. Even though I sent a bunch…
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.
2,447 questions
asked 2026-06-15T12:02:21.57+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(105.60000000000001, 56.00000000000001%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJW%3C/text%3E%3C/svg%3E)
Jon Westgate
1
Reputation point
edited a comment 2026-06-23T10:22:09.39+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(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
16,885
Reputation points Microsoft External Staff
Moderator
2 answers
One of the answers was accepted by the question author.
Hidden from GAL Changes Not Reflecting in Exchange Admin Center (Hybrid Environment)
Hi Team, Our environment is hybrid. I have attempted to hide several users from the Global Address List (GAL) using the following steps: Open Active Directory Users and Computers. Locate the user account. Go to Attribute Editor. Set…
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.
2,447 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(268.8, 9%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EZZ%3C/text%3E%3C/svg%3E)
2 answers
One of the answers was accepted by the question author.
Query on Active Directory Groups
Hi All, I am using an Exchange Server Subscription Edition (SE) hybrid environment. User accounts are created on-premises and then migrated to Exchange Online. We have several Active Directory security groups that were created directly in Active…
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.
2,447 questions
asked 2026-06-20T17:51:51.27+00:00
Glenn Maxwell
14,126
Reputation points
accepted 2026-06-21T08:53:28.7933333+00:00
Glenn Maxwell
14,126
Reputation points
2 answers
Hybrid Solution Exchange Server to multi-tenant
Hi, Is it possible to configure a hybrid solution with an Exchange server to be multi-tenant? I have an Exchange server. that has a multi-domain, and I have domain-wise different tenant of Microsoft 365. Officially, is it possible?
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.
2,447 questions
asked 2026-06-12T04:37:51.6466667+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(316.8, 94%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMR%3C/text%3E%3C/svg%3E)
Md. Ramin Hossain
1
Reputation point
commented 2026-06-17T23:48:02.9066667+00:00
Teddie-D
19,760
Reputation points Microsoft External Staff
Moderator
2 answers
Oauth/Bearer authentication HMA
Outlook reaches Exchange successfully and uses Bearer authentication. Exchange passes Test-OAuthConnectivity and all externally accessible services respond correctly. Outlook repeatedly cycles between Connecting and Disconnected and receives "Access…
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.
2,447 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(304, 81%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EEA%3C/text%3E%3C/svg%3E)
1 answer
Disabled on-prem distribution groups. Groups are still enabled in Exchange 365
We have a hybrid AD / online setup. I'm trying to disable some groups. 3 are distribution groups, 2 are mail-enabled security groups. All of them are synched from AD. In Exchange 365, they show that I can't manage them online, I need to manage them on…
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.
2,447 questions
asked 2026-06-10T19:25:56.16+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, 12%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBP%3C/text%3E%3C/svg%3E)
Bill Purosky
0
Reputation points
commented 2026-06-11T22:17:11.7433333+00:00
Hin-V
16,660
Reputation points Microsoft External Staff
Moderator
1 answer
One of the answers was accepted by the question author.
Exchange SE and 365 Hybrid Configuration Wizard (HCW) query
We are upgrading our on-prem Exchange environment from 2016 to Exchange SE. The Exchange 2016 environment is hybrid with our 365 tenant. The following points describe our existing setup: We have over 1000 domains registered on-prem and in 365 which…
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.
2,447 questions
asked 2026-06-05T12:11:35.19+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(134.4, 57.99999999999999%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJK%3C/text%3E%3C/svg%3E)
Jon Kilner
136
Reputation points
accepted 2026-06-11T15:53:29.6733333+00:00
Jon Kilner
136
Reputation points