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Questions tagged [exchange-hybrid]

An Microsoft Exchange hybrid deployment offers organizations the ability to extend the feature-rich experience and administrative control they have with their existing on-premises Microsoft Exchange organization to the cloud.

An Microsoft Exchange hybrid deployment offers organizations the ability to extend the feature-rich experience and administrative control they have with their existing on-premises Microsoft Exchange organization to the cloud. A Microsoft Exchange hybrid deployment provides the seamless look and feel of a single Exchange organization between an on-premises Exchange organization and Exchange Online in Microsoft Office 365. In addition, a hybrid deployment can serve as an intermediate step to moving completely to an Exchange Online organization.

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In a hybrid exchange environment, how to send email from a mailbox in exchange on-prem to another mail box in exchange online?

We deploy hybrid exchange using the HCW, AADC has been deployed as well. Mailbox A is created on exchange online. Mailbox B is created on exchange on-prem. Now I can send an email from A to B. But I cannot send an email from B to A. It says "We…
thomasnli
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Error message on exchange server with hybrid setup to Office365

Hybrid setup between Exchange 2016 and Office 365, 50% of the of the users are migrated to Office 365 and currently no problems reported. A few months later (today) I discovered this error message in event viewer that shows up about once every hour,…
Andreas
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Exchange hybrid mail flow

I have successfully installed and configured exchange 2016 for a hybrid setup in my organization mail flow is up and running for all scenarios except from on-premises to o365. Every other flow works fine. Is there anything I need to do?
adeloyedeji
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Exchange hybrid mode with mixed mailbox stores

I need to understand Exchange online in hybrid environment a bit better, so the question I have is if for example I have a hybrid environment with some mailboxes online and some on premise. If on premise Exchange becomes unavailable and the mailbox…
Dominik
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Exchange hybrid mode mailbox stores

Could you please explain how and where are emails stored in Exchange online hybrid configuration after you move a mailbox from on premises server to online? I have a test environment and after I moved the mailbox I can still access it through local…
Dominik
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Exchange 2010 - Hybrid Office 365, need to update admin identity password

We have two on-premise Exchange 2010 servers, and one Exchange Online (O365 for Business). I've changed the password for our O365 Global Admin account (which is also used to connect the hybrid set-up) and now when I jump on to our On premise server,…
Vas B
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Can I add existing AD groups to Exchange

We are using an Office365 Hyrbid deployment with Exchange 2016 on premise. The Hybrid setup was deployed after our users and groups were created and synced from AD, so they do not currently appear in our Exchange server. Is there any way to make…
James Edmonds
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Exchange Hybrid send all mails via Exchange Online

We are running Exchange 2013 in a Hybrid Enviroment with Office 365 and we want to send all mails via Exchange Online. If we use the Outbound to Office 365 connector for all addresses (adding * at address space) we get the errormessage "451 4.4 0…
DrGimpfeN
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Exchange 2010 Minimal Hybrid in place : Migrate or Decom?

I'm trying to understand the best approach with an Exchange 2010 Server with a minimal hybrid configuration. All is migrated to the cloud, the current Exchange 2010 is not in prod, but some mailboxe still need to be adjusted from the Exchange 2010…
JF888
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Steps to update certificate in edge servers

Onprem mailbox servers is in exchange 2013 and edge servers in dmz. Can someone please share the steps to renew third part cert in edge servers. I am unable to find a ms article. Please help
Khanna
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Outlook Calendar can display details but scheduling assistant can't even show free/busy after EXO migration

While all our end user mailboxes are still on our on-prem Exchange 2016 environment, I have moved a few room mailboxes to EXO. When I view these mailboxes in the calendar view in Outlook, I can see the details of the appointments as I have reviewer…
Hans_R
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Exchange 2010 on prem to hybrid

I'm in the middle of an Exchange 2010 to hybrid Exchange Online migration and I think that I have a problem... I'm alone with this and I'm getting the knowledge reading the Microsoft documentation. I have a doubt and I hope that anyone of you can…
kodeone
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Exchange Server 2016 - identify full hybrid and/or minimal hybrid using or not

We have 2 Exchange Server 2016. I want to check it if I am using Full Hybrid and / or minimal hybrid in our environment. What should I understand from the following output? get-hybridconfiguration output: Features : {FreeBusy,…
Cell-o
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Exchange 2013 Hybrid EAC not seeing mailboxes in a second domain

We have a hybrid setup. I have a situation where certain users are not showing up on the local on-prem Exchange 2013 server under recipients. We have two domains in our single forest. I will call our primary domain abc.com and the second domain…
Scot
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Exchange 2019 To replace Exchange 2013 in Hybrid Environment

After the recent Exchange Vulnerabilities were announced, we disconnected our Exchange 2013 server in our hybrid configuration and investigated any impact. There was none, but it has been decided that we should no longer use this one and replace it…
neildeadman
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