Add Office 365 domain to Exchange 2010

Hi Experts,

The company i work for uses Exchange 2010 with a couple of domains and Recently they bought a few office 365 licenses for use with the domain.

Mail send from a mailbox needs to be handled by the Exchange server and delivered to an application inside the domain where the Exchange server is in.

I added the as an accepted domain on the Exchange server. It seemed to work fine. However, users report that they cannot send mail from inside the company to the mailboxes in the office 365 environment.

So to make my question clear;

After adding the office 365 domain as an accepted domain on the Exchange server, users that are on the same LAN as the Exchange server can't send e-mail to the office 365 domain.

Can i get this to work somehow?
Who is Participating?

[Product update] Infrastructure Analysis Tool is now available with Business Accounts.Learn More

I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

Robby SwartenbroekxMSP engineerCommented:
you have to create the connector. I thought it would do this during the installation of a hybrid setup ( - Figure 10).

But somehow it didn't get created for you.
- First thing first: do you see communication go from you exchange server to Office365 on your firewall or network level? If not then the problem lies with you on-premmise Exchange that isn't forwarding the mails. - Figure 11 let you see how the connector should look like.
- In your SPF record, did you include your public IP from where the comes from if you send it to Office365. It is best practice to include this IP/hostrecord
- Are the connectors in Office365 OK? Does it accept mail originating from your public IP address? The site I linked to is with the previous Office365 Tenant version. In the new tenant, you can find this under mailflow - connectors
Hello WorldCommented:

We can configure Hybrid Exchange environment---Exchange 2010 and Office 365.
Please refer to Understanding Transport Routing in Exchange 2010 Hybrid Deployments:
SvenIAAuthor Commented:
I fixt it by creating adding the .eu domain as a remote domain instead of an accepted domain. Thanks for the input!

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
SvenIAAuthor Commented:
Fixt it myself
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today

From novice to tech pro — start learning today.