2,250 questions with Microsoft Exchange Hybrid Management tags

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1 answer One of the answers was accepted by the question author.

When changing from Distribution to Security, what is the impact or consequence?

What is the impact or consequences when changing the group type from Distribution to Security group? From: Into: Is the inbound email flow still working or stopped due to the AD group changes from On-premise AD DS? I cannot select the AD Distribution…

Active Directory
Active Directory
A set of directory-based technologies included in Windows Server.
6,910 questions
Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
Microsoft Entra
Microsoft Entra ID
Microsoft Entra ID
A Microsoft Entra identity service that provides identity management and access control capabilities. Replaces Azure Active Directory.
23,617 questions
asked 2023-10-03T04:58:58.96+00:00
EnterpriseArchitect 5,716 Reputation points
commented 2025-03-12T14:19:01.11+00:00
Kamal Nayan Tanikella 0 Reputation points
0 answers

Exchange Hybrid Wizard. What settings should be used for cloud mailbox management only. No onboarding required.

My customer has an environment that has on-prem AD accounts syncing to M365 via Entra Connect. Mailboxes are in the cloud. The customer just wants to manage their cloud mailboxes from an on-prem Hybrid Exchange server. I have installed the Exchange…

Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
asked 2025-03-12T11:29:12.1033333+00:00
Arend Dieperink 0 Reputation points
2 answers

How to set time zone in microsoft teams - Hybrid Deployment

Hello, We are using teams in our organisation, and we're bringing on board some more people who are in different timezones. I've taken a look at this thread here:…

Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
asked 2025-03-09T20:49:27.0566667+00:00
Rowan Scott 0 Reputation points
commented 2025-03-12T11:08:22.4133333+00:00
Rowan Scott 0 Reputation points
1 answer

Mitigations Cloud endpoint is not reachable Exchange 2019 Deployment

I receieve below warning during Exchange 2019 deployment Mitigations Cloud endpoint is not…

Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
asked 2025-03-06T07:37:01.5233333+00:00
ZIYAD MORSI 0 Reputation points
commented 2025-03-12T01:32:55.4866667+00:00
Kaiyue Gong (Shanghai Wicresoft Co Ltd) 710 Reputation points Microsoft External Staff
1 answer

unable to add additional email address

Hi All, I am using an Exchange 2016 hybrid environment. We create users on-prem and then migrate them to Exchange Online. I have a user, ******@contoso.com, and I want to add an additional email address, ******@contoso.com, to this user. When I execute…

Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
asked 2025-03-02T18:15:12.8466667+00:00
Glenn Maxwell 12,456 Reputation points
commented 2025-03-11T06:27:33.76+00:00
Bruce Jing-MSFT 10,155 Reputation points Microsoft External Staff
1 answer

HCW8001 Error: Unable to Determine the Tenant Routing Domain

Encountering the error HCW8001 Unable to determine the Tenant Routing Domain while running the Hybrid Configuration Wizard (HCW). Below are the relevant log entries observed during the process: 2025.03.05 15:09:31.633 10271 [Client=UX,…

Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
asked 2025-03-05T16:37:19.0766667+00:00
Jtek 0 Reputation points
commented 2025-03-11T02:30:11.35+00:00
Alex Zhang-MSFT 6,230 Reputation points Microsoft External Staff
2 answers One of the answers was accepted by the question author.

How to get all users with alias as subdomain

Hello All, We need to pull a report where users having alias as our subdomains We have around 20k users and we need to filter out them with our subdomains (15). Please suggest a quick and easy to figure it out, pulling out the entire report and checking…

Microsoft Exchange Online Management
Microsoft Exchange Online Management
Microsoft Exchange Online: A Microsoft email and calendaring hosted service.Management: The act or process of organizing, handling, directing or controlling something.
4,785 questions
Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
PowerShell
PowerShell
A family of Microsoft task automation and configuration management frameworks consisting of a command-line shell and associated scripting language.
2,859 questions
asked 2025-01-30T20:46:33.41+00:00
Mani 376 Reputation points
commented 2025-03-10T18:18:26.0166667+00:00
Kory Skarbek 0 Reputation points
1 answer

How to fix error Error: CommunicationErrorTransientException:Could not establish trust relationship for the SSL/TLS secure channel with authority

we are running a ybrid environment , we create user mailboxes on our on prem exchange and than migrate the mailbox to exchange online , we have been doing that succesfully up until last week , when it started fsiling for all mailboxes , it stay for the…

Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
asked 2025-02-21T13:03:24.82+00:00
Paulina Lukas 0 Reputation points
commented 2025-03-10T06:38:24.7933333+00:00
Kaiyue Gong (Shanghai Wicresoft Co Ltd) 710 Reputation points Microsoft External Staff
2 answers One of the answers was accepted by the question author.

Application Impersonation

Hi All, I have received an email from Microsoft stating that the Application Impersonation RBAC role in Exchange Online will be retired in February. I want to identify which applications in my tenant are using this role. Will the script below fetch all…

Microsoft Exchange Online
Microsoft Exchange Online Management
Microsoft Exchange Online Management
Microsoft Exchange Online: A Microsoft email and calendaring hosted service.Management: The act or process of organizing, handling, directing or controlling something.
4,785 questions
Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
asked 2025-01-24T21:24:46.9766667+00:00
Roger Roger 6,921 Reputation points
accepted 2025-03-09T23:55:08.9233333+00:00
Roger Roger 6,921 Reputation points
1 answer One of the answers was accepted by the question author.

Removing Exchange on-prem

Hi, We have inherited several sites where hybrid Exchange migrations were executed. Mailboxes have moved to M365 etc, but there is still an on-prem Exchange 2016 Server and  ADSync is still in use. We want to get rid of these Exchange Servers as this…

Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
asked 2025-02-16T15:17:28.7833333+00:00
James 40 Reputation points
accepted 2025-03-08T13:19:25.37+00:00
James 40 Reputation points
3 answers One of the answers was accepted by the question author.

On premise 2016 to exchange online

Hi all, i have a hosted exchange 2016 with 22 tenanats that I need to migrate. I don't want to install AAD connect or hybrid. Is there a way to do it manually by importing a CSV file? Or do a cutover with selective mailboxes?

Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
asked 2025-02-18T00:09:54.8166667+00:00
Ella Taylor 80 Reputation points
accepted 2025-03-08T13:17:11.71+00:00
Ella Taylor 80 Reputation points
1 answer

Exchange Hybrid Wizard Error (413)

Hello,  we are running into issues with the Hybrid Wizard. On the last point validation, we always getting the same error and dont know what to do, cuz it says the external server is responding with.... See Log attached. 2025.03.05 08:43:02.035 ERROR…

Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
asked 2025-03-07T00:24:44.0266667+00:00
Ella Taylor 80 Reputation points
answered 2025-03-07T08:16:27.55+00:00
Bruce Jing-MSFT 10,155 Reputation points Microsoft External Staff
2 answers

O365 Sync Issues After On-Premises Exchange Decommissioning

In a transition from a Hybrid environment to nearly full cloud usage, the on-premises Exchange was shut down due to security concerns, following documentation and recommendations while leaving the schema intact. Currently facing issues managing user…

Microsoft 365
Microsoft 365
Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line.
5,768 questions
Active Directory
Active Directory
A set of directory-based technologies included in Windows Server.
6,910 questions
Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
asked 2025-02-13T21:44:08.6+00:00
Anthony Shaw 0 Reputation points
commented 2025-03-07T02:42:50.2833333+00:00
Tianyi Chang (Shanghai Wicresoft Co Ltd) 1,040 Reputation points Microsoft External Staff
2 answers

SPF and DKIM is faling as emails are getting forwarded to one Cloud Anti-Phisihing Solution

Hello, We are using EOP as our email Gateway and once internet email reaches to EOP we are forwarding that internet email to one Cloud Anti-Phisihing Solution platform and then again email comes back to EOP but due to this routing when EOP check the SPF…

Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
asked 2025-02-24T09:16:19.1133333+00:00
raj a 316 Reputation points
commented 2025-03-07T02:41:01.3466667+00:00
Tianyi Chang (Shanghai Wicresoft Co Ltd) 1,040 Reputation points Microsoft External Staff
1 answer

RemoteRouting issue on hybrid shared mailbox

We have some shared mailbox that someone has created in cloud only, this causes an issue with on-prem users that wish to be delegates of the m365 mailbox. The shared mailbox does not appear at all in EAC When attempting to Enable-RemoteMailbox…

Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
asked 2025-02-21T03:25:54.76+00:00
Geezer32 111 Reputation points
commented 2025-03-07T02:23:36.5033333+00:00
Alex Zhang-MSFT 6,230 Reputation points Microsoft External Staff
1 answer

How to change "Manage contact information" for a user?

getting this error every time i try to change the information for a users mailbox. Error executing request. The operation on mailbox "User" failed because it's out of the current user's write scope. The action 'Set-Mailbox',…

Outlook
Outlook
A family of Microsoft email and calendar products.
4,505 questions
Active Directory
Active Directory
A set of directory-based technologies included in Windows Server.
6,910 questions
Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
5,652 questions
Microsoft Exchange Online Management
Microsoft Exchange Online Management
Microsoft Exchange Online: A Microsoft email and calendaring hosted service.Management: The act or process of organizing, handling, directing or controlling something.
4,785 questions
Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
asked 2025-02-18T17:11:55.2366667+00:00
Guillen, Mark 0 Reputation points
commented 2025-03-07T02:22:49.5766667+00:00
Alex Zhang-MSFT 6,230 Reputation points Microsoft External Staff
2 answers

Re-install Exchange 2016 after system corruption

Hi All, Before we open a pay-per-incident(s) MS ticket, I thought I'd lob this scenario out to the community. Our sister organization has a lot of technical debt, both hardware and & software. We needed to get them on Exchange Online, and to do…

Exchange Server
Exchange Server
A family of Microsoft client/server messaging and collaboration software.
1,448 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,821 questions
Microsoft Exchange
Microsoft Exchange
Microsoft messaging and collaboration software.
688 questions
Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
asked 2025-02-12T16:37:35.8833333+00:00
Mueller, Jim 1 Reputation point
commented 2025-03-07T02:20:24.72+00:00
Alex Zhang-MSFT 6,230 Reputation points Microsoft External Staff
1 answer

How is the default language/timezone is decided for Shared Mailboxes?

Hello, For User Mailboxes, the use is prompted when they sign in for the first time to OWA to decide their language and time zone. This decides the language they have for their Default folders (Inbox, Spam...) When they use Outlook Desktop, I assume…

Exchange Server
Exchange Server
A family of Microsoft client/server messaging and collaboration software.
1,448 questions
Exchange Server Development
Exchange Server Development
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Development: The process of researching, productizing, and refining new or existing technologies.
573 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,821 questions
Microsoft Exchange
Microsoft Exchange
Microsoft messaging and collaboration software.
688 questions
Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
asked 2025-02-12T13:45:17.5833333+00:00
Said A 901 Reputation points
commented 2025-03-07T02:19:52.4533333+00:00
Alex Zhang-MSFT 6,230 Reputation points Microsoft External Staff
1 answer

Issue with Exchange 2019 on premise management shell after server 2025 "upgrade"

This is occurring on 2 sites that we are trying to migrate from on premise exchange and since the "auto" upgrade of server 2025 happened we are unable to access the management console The Exchange Admin Centre appears to be working fine and…

Exchange Server
Exchange Server
A family of Microsoft client/server messaging and collaboration software.
1,448 questions
Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
asked 2025-02-10T11:51:41.78+00:00
Darren Woolley 0 Reputation points
commented 2025-03-07T02:19:19.12+00:00
Alex Zhang-MSFT 6,230 Reputation points Microsoft External Staff
1 answer

HCW0 - The method or operation is not implemented when running last step in Hybrid Configuration Wizard

We are running a full hybrid exchange environment and I'm getting this error when running the last step of the HCW. HCW0 - The method or operation is not implemented. 2024.07.26 21:30:59.298 10265 [Client=UX, Page=Ready, Thread=1] START via…

Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
2,250 questions
asked 2024-07-31T06:19:43.2133333+00:00
JL_CCN 0 Reputation points
commented 2025-03-06T20:06:49.7833333+00:00
Guan, Raymond 20 Reputation points