Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
2,363 questions
2 answers
One of the answers was accepted by the question author.
Custom Attributes with Azure AD Connect
I'm working on building a new domain which employs AADC for password writeback. I've read through several threads and come to the general conclusion that I will not be able to have attributes like extensionAtribute1 mastered in the cloud. The issue with…
Exchange | Hybrid management
![](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(86.4, 50%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELR%3C/text%3E%3C/svg%3E)
3 answers
One of the answers was accepted by the question author.
We want to go cloud only with Exchange online, but documentation suggests that we must have an Exchange server on-premises since we have EntraID connect for directory synchronization. Is this true?
We have Microsoft Exchange online in a hybrid configuration with one single Exchange 2016 server. I noticed that Exchange 2016 and 2019 are EOL in October 14 of this year, which means that we may need to migrate to Exchange Server SE on premises to keep…
Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,713 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.
1,527 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.
2,363 questions
Microsoft Security | Microsoft Entra | Microsoft Entra ID
26,906 questions
asked 2025-01-17T18:53:47.8733333+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, 73%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJM%3C/text%3E%3C/svg%3E)
Jamie McFarling
71
Reputation points
commented 2025-11-12T15:24:23.0366667+00:00
Jamie McFarling
71
Reputation points
3 answers
On-prem user can't access delegated EXO user in Exchage hybrid environment
We have an on-prem Exchange 2016 server, and in the process of moving to M365. An user can access another delegated user (full access) when they are both on-prem, after one user moved to EXO, the on-prem user no longer can access the moved user using…
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.
2,363 questions
asked 2025-11-12T14:07:40.9533333+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, 79%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKC%3C/text%3E%3C/svg%3E)
ken C
0
Reputation points
commented 2025-11-12T15:17:29.02+00:00
Richard Trinidad
5,020
Reputation points
Independent Advisor
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.
2,363 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(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)
3 answers
ExternalEmailAddress is mandatory on MailUser.
We attempted to install the latest CU on our Exchange 2019 environment in preparation to upgrade to the SE version. It failed all of the sudden part of the way through and now we get ExternalEmailAddress is mandatory on MailUser. We get the same error if…
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.
2,363 questions
asked 2025-11-06T17:00:20.28+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(0, 45%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMW%3C/text%3E%3C/svg%3E)
Michael W. Crocker
0
Reputation points
commented 2025-11-12T06:22:17.5066667+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, 84%, 20%)' 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
4,540
Reputation points Microsoft External Staff
Moderator
2 answers
Issue with sharing calendar between onpremise and cloud users in hybrid environment EXCH 2019 <> MS365
Hi we are facing an issue with sharing calendars of users from onprem / cloud with each other. Sharing from onprem user -> onprem user is working properly, sharing from cloud user -> cloud user working properly, but if I want to share calendar…
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.
2,363 questions
asked 2025-11-11T15:45:19.4566667+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, 54%, 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)
ADMCZ
0
Reputation points
commented 2025-11-11T19:00:10.91+00:00
Vasil Michev
123K
Reputation points MVP
Volunteer Moderator
2 answers
Error: TimeoutErrorTransientException.
Hello, We are trying to migrate on premise users to Exchange Online. The migration fails with below error Migration rate: Error: TimeoutErrorTransientException: The call to https://<Removed PII>/EWS/mrsproxy.svc timed out. --> The request…
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.
2,363 questions
asked 2025-11-07T14:01:19.42+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, 3%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESJ%3C/text%3E%3C/svg%3E)
Srijith Jayarajan
0
Reputation points
commented 2025-11-11T07:20:37.2333333+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
8,605
Reputation points Microsoft External Staff
Moderator
1 answer
I get error authenticating to Outlook on Android using password, yet Web and on-premise auth work fine
Hi. I'm experiencing issues while authenticating to Outlook on my Android and iOS devices. My domain is synced with Entra, I can logon to web services, however on my mobile devices I cannot authenticate to Outlook. My password gets rejected (I enter it…
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.
2,363 questions
asked 2025-11-03T23:47:15.6+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(281.6, 28.999999999999996%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMB%3C/text%3E%3C/svg%3E)
Marek Byszewski
0
Reputation points
commented 2025-11-11T05:03:12.7233333+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, 18%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAH%3C/text%3E%3C/svg%3E)
Austin-H
6,635
Reputation points Microsoft External Staff
Moderator
1 answer
Exchange Hybrid Configuration Wizard not installing ExchangeOnlineApp-<GUID>
We had a Cert expire, Windows Updates applied and CU23 Installed. I reran the HCW, choose the Modern Agent. It's supposed to create the ExchangeOnlineApp-<GUID> enterprise Application. It is not. I get the message saying it is going 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.
2,363 questions
asked 2025-11-05T17:49:54.0466667+00:00
Scott Townsend
15
Reputation points
commented 2025-11-10T05:45:17.8233333+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
6,375
Reputation points Microsoft External Staff
Moderator
1 answer
Moving AzureAD synced account to cloud only
I'm trying to completely disconnect an on-prem/Azure synced account. I deleted the account in AD to and it initially allowed me to make changes to the account from Azure. A day later it somehow showed up in AD and started syncing again and lost any…
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.
2,363 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(140.8, 45%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ED%3C/text%3E%3C/svg%3E)
3 answers
Mailbox Replication from Exchange OnPremise to Exchange Online
Hello, I been working on a Exchange Online Migration for a while now, after syncing a few mailboxes without problems I get stucked and I been unable to migrate any of the waiting users to the cloud. It is on an standalone Exchange 2016 Server with valid…
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.
2,363 questions
asked 2025-11-03T17:27:17.4766667+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(160, 10%, 25%)' 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)
Stefan Arndt
0
Reputation points
commented 2025-11-06T12:18:17.3033333+00:00
Hani-Ng
4,540
Reputation points Microsoft External Staff
Moderator
2 answers
One of the answers was accepted by the question author.
Maintenance Mode for Exchange 2019 Hybrid Servers in a DAG
We have 2 2019 Hybrid Servers in a DAG. The majority of our mailboxes are online. We have a few on prem mailboxes on the 2019 servers. I need to apply Microsoft patches to the hybrid servers. In the past, I ran a script when I put my 2013 servers 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.
6,713 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.
8,033 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.
2,363 questions
asked 2024-01-04T23:37:54.68+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, 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)
mara2021
1,181
Reputation points
edited a comment 2025-11-03T21:45:57.4566667+00:00
Dan Sheehan
0
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
How to make changes to DL's created on Prem that are now being synced to EAC
Hello, We recently moved off of our hybrid solution in my firm and are now full Enta and EAC with AD on prem. I have DL's that were created in our hybrid environment that now cannot be modified. We cannot make changes to allow outside access nor can we…
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.
2,363 questions
asked 2025-10-31T10:34:33.96+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(313.6, 38%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELC%3C/text%3E%3C/svg%3E)
Luiso, Carlo
20
Reputation points
commented 2025-10-31T10:55:02.5766667+00:00
Luiso, Carlo
20
Reputation points
1 answer
How do I relay email to my on prem server when 365 account has the same address?
Greetings, I'm having a bit of trouble relaying emails sent to users who have a 365 mail box with the same address as their main on-prem account. If j<PII: moderator removed> exists on both 365 mail box and on prem servers, when another 365 user…
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.
2,363 questions
asked 2025-10-16T07:44:28.4433333+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(6.4, 62%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAC%3C/text%3E%3C/svg%3E)
Admin Coterena
0
Reputation points
commented 2025-10-31T07:26:58.93+00:00
Austin-H
6,635
Reputation points Microsoft External Staff
Moderator
4 answers
AggregateMailboxFolderConflictPermanentException Exchange Hybrid Migration
Im doing the Exchange hybrid migration and there is 1 mailbox which giving me error of AggregateMailboxFolderConflictPermanentException. The folder that conflict is ‘Files’. As checked, I believe this is a system folder and not visible to user. How come…
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.
2,363 questions
asked 2025-10-07T11:01:15.7+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, 85%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMW%3C/text%3E%3C/svg%3E)
Marcus W
1,171
Reputation points
answered 2025-10-31T01:24:38.8766667+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, 46%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EER%3C/text%3E%3C/svg%3E)
Exchange-Redesign-Engineer
0
Reputation points
2 answers
Exchange 2016 ECP not working
Hi Team, Exchange 2016 ECP not working. Could anyone help me? We have ADFS. Once entered the ECP URL, it redirects and once MFA is successful, it gives error as attached
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.
2,363 questions
asked 2025-10-20T12:39:30.67+00:00
Phalle, Mahesh
1
Reputation point
edited a comment 2025-10-30T14:52:25.4033333+00:00
Hin-V
8,605
Reputation points Microsoft External Staff
Moderator
3 answers
One of the answers was accepted by the question author.
Hybrid Configuration Error: CommunicationErrorTransientException - Unauthorized with 'Negotiate' Scheme
Hi Team, We are experiencing an issue during our hybrid Exchange configuration. User is syncing in the EntraId from OnPrem to Entra, however when we start doing the mailbox migration this error is coming. Error: CommunicationErrorTransientException: The…
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.
2,363 questions
asked 2025-05-06T23:21:46.5166667+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(252.8, 67%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAS%3C/text%3E%3C/svg%3E)
Atharva Swamy
20
Reputation points
answered 2025-10-30T14:24:22.8766667+00:00
Denis Ceriolo
5
Reputation points
2 answers
One of the answers was accepted by the question author.
Hybrid Wizard Error - Application 'e9aa93f4-57c7-4035-bb7e-c05cf2e8da37' not found or OnPremisesPublishing is not enabled for your tenant.
I am running the Exchange Hybrid Configuration Wizard and encountering the following error during the Hybrid Agent registration step: Application 'e9aa93f4-57c7-4035-bb7e-c05cf2e8da37' not found or OnPremisesPublishing is not enabled for your…
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.
2,363 questions
asked 2025-10-26T07:44:05.2466667+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, 75%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EOH%3C/text%3E%3C/svg%3E)
Oscar H. Veloz
20
Reputation points
edited a comment 2025-10-27T02:35:08.8+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, 43%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENP%3C/text%3E%3C/svg%3E)
Nghia-P
6,335
Reputation points Microsoft External Staff
Moderator
12 answers
How to change primary email address for hybrid Azure/Local AD
We have a local AD environment and it syncs only one way up to our Azure AD environment. I created a user account locally and used an extention attribute value "O365" which causes the record to be created in our Azure AD environment. This is…
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.
2,363 questions
Microsoft Security | Microsoft Entra | Other
2,707 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(28.799999999999997, 15%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMC%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(304, 96%, 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
Exchange 2016 to 2019 On-Prem arbitration mailbox fails BigFunnelTransientException
Hi, I've moved six of the seven arbitration inboxes, the last one refuses to migrate. I'm getting the exception "Connection to the Content Transformation Service has failed." We had started moving inboxes to the 2019 servers, got half a dozen…
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.
2,363 questions
asked 2023-11-21T17:59:23.21+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, 31%, 12%)' 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)
Just_Makin_A_Living
0
Reputation points
commented 2025-10-22T17:08:23.72+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, 8%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBW%3C/text%3E%3C/svg%3E)
Bobby West
0
Reputation points