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.
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Possible to have a cloud primary mailbox with an on-prem archive mailbox?
I have a customer that wants to migrate their users primary mailboxes from Exchange 2016 to Office 365-Exchange Online but leave their archive mailboxes on-prem.
I haven't been able to decipher what ...
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DKIM aligned but not authenticated for mailboxes moved to Exchange Online in a hybrid configuration
For mailboxes migrated to our tenant, they have this in the received message header of external recipients after migration:
arc=fail (body hash mismatch);
SPF/DKIM/DMARC all pass using the records ...
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Exchange 2016 Hybrid for AD management only
History - 2010 Exch used to migrate all mailbox to O365 in 2013. Been 100% Exchange online since 2013. No mailboxes on prem, no shared mailboxes, no nothing. CAS attritubute set to Null. No SMTP. ...
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Public Folders company setup are not showing for migrated users in E2010/O365 hybrid environment
We have a hybrid environment setup between Exchange 2010 and O365 for both mailboxes and Public Folders. Since putting Public Folders in hyrbid mode (with Public Folders beta turned on in Azure AD ...
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Strange: Users can't delete items from public folders in Outlook 2016 when the client has been logged in for about 30 minutes
We are running Exchange Online and Exchange 2013 in hybrid mode. Our public folders are hosted online.
After a fresh boot/reboot, our users can delete items (permissions vary from Owner to ...
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How can I perform an hybrid multibox search on Exchange from Powershell?
I have to adapt a script that do "OnPromises" searches a hybrid context. I used the New-MailboxSearch cmdlet to implement this script.
The script searches all the indicated mailboxes and copies the ...
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2010 Hybrid Exchange Decommission Free License
We currently have a single Exchange 2010 SP3 CU10 server in a hybrid mode with office 365,
I understand that it is best / necessary to retain an exchange server on premise to edit attributes of users ...
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Subaddress (emails with plus) not working when email goes via Microsoft Exchange Frontend Transport
I'm trying to send an email to recipient [email protected] via the local server with Frontend Transport setup on it (hybrid Microsoft Exchange Setup).
If the email domain belongs to the server, ...
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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 ...
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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
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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 ...
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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 ...
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Having Trouble with Exchange Archive Errors - 365 Hybrid
I work in a hybrid 365 environment. Someone made some changes to the archives for users' mailboxes and now I'm getting errors in 365 admin center when I look at an active user:image of error box
I was ...
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Exchange 2013 with failed prepad execution leading to management groups with no roles asigned
A former sysadmin deleted several groups, included Exchange Management Security Groups.
Ir order to repair his error, he tried to execute prepad. Prepad didn't execute correctly ending with this error:...
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On-premises users aren't getting email messages from Office 365 users
The DNS name of the Exchange 2013 server is servername.abc.local
I setup a Hybrid Environment with the Public domain xyz.nl
The UPN suffix of the abc.local domain is xyz.nl and I updated al users.
The ...
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Exchange 2010 hybrid Unable to change max receive size
I have Exchange 2010 and Office 365 set up in full hybrid mode. I have migrated some mailboxes over and mail flows as expected. Some of the mailboxes had a non default Receiving Message Size set while ...
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Exchange Hybrid message size restriction
I'm migrating mailbox to Office 365 and got stuck with Large Items Exception.
I read about default message size restrictions. And set 100MB limit in Exchange Online.
Then migration failed again. I ...
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HCW8078 Hybrid Exchange Error
I did a fresh install of DC1 DC2 and Exchange so I'm not sure why I am getting errors still.
https://i.stack.imgur.com/78nab.jpg
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Adding a new mail alias and need to sync existing
We have a secondary mail/web domain that has its own mail running through postfix and it is just being forwarded to the primary mail/web domain on exchange and O365. We want to add all of the email ...
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O365 Skype for Business Admin User list not displaying all domain users
We recently finished migrating on-prem exchange 2010 mailboxes to O365 in a hybrid environment (still existing) and are now exploring O365 functionality, including Skype.
Half of the company is ...
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Exchange Hybrid SMTP High Availability
I have been asked to setup exchange hybrid but I must have 2 Exchange Hybrid servers handling mail flow and mailbox migrations. Is it possible to deploy 2 Hybrid servers that are load balanced and ...
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Figure out which Public Folder AD attribute is being shared with another object
We have a hyrbid environment setup between Exchange 2010 and O365 for both mailboxes and Public Folders. Since putting Public Folders in hyrbid mode (through use of https://docs.microsoft.com/en-us/...
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AltRecipient AD attribute on mail enabled Public Folder cannot be synchronized in hybrid environment with O365
We have a hyrbid environment setup between Exchange 2010 and O365 for both mailboxes and Public Folders. Since putting Public Folders in hyrbid mode (through use of https://docs.microsoft.com/en-us/...
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Separate namespace for Exchange hybrid servers
I read somewhere that you could do the following hybrid deployment.
1) Two dedicated Exchange 2016 "hybrid servers" that are F5 load balanced
2) Create a new namespace called hybrid.contoso.com. (...
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How to disable EOP for the whole organization in our exchange hybrid environment?
set-MailboxJunkEmailConfiguration -enabled $false only disable the EOP for mailboxes. it cannot ensure new mailbox's EOP is also disable. So what is the solution? Thanks.
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OU Name with 'slash' in title "suddenly(?)" rejected by Exchange 2013/0365 Hybrid
We recently migrated from Exchange 2007 to 0365 Hybrid with a 2013 server on-prem.
I'm reasonably sure I've made changes to users in the 'Web/IT' OU since the migration and not run into this error, ...
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How to manage individual mailbox of the batch migration?
I tried to migrate 4 mailboxes in a batch migration with 'manually complete' is on.
When the synchronization is done, I noticed 1 of them is failed, I know how to fix the failed box. But the question ...
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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 ...
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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 ...
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Exchange Hybrid Intermittently giving NDRs
New year, looks like a pretty active site. My company has a Hybrid config in place that cannot be removed at the moment. Since the 22/04 we have been having problems that certain domains ...
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Reverse hybrid exchange: concerns with adding new on-prem exchange to existing 365 hosted exchange environmnet
I am curious to know if there are any major gotchas with setting up a 'reverse hybrid' 365 deployment, where all mail flow is already in the cloud with on-prem ad sync already enabled and simply ...
