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Urgent - some emails still going to old mailbox after migration to Office365

Posted on 2013-05-29
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Last Modified: 2013-06-08
Hi All,

We previously had email accounts hosted at Microsoft Live platform for one of our domains say abc.com. Which I have migrated to Office 365 Small Business accounts. Name server changes took place nearly 10 hours ago and I have also migrated old emails using PST files. Many test emails from Gmail account landed in the Office365 portal fine which tells me that mail started flowing to the Office365 (Exchange Online mailboxes).

We have a major issue with some emails still going to the old mailboxes hosted at Microsoft Live platform. Specially from our in-house exchange server. None of the emails from this exchange server land in Office 365. Now that we don't have any control of the DNS records and the MX records correctly pointing to Office365 what is still wrong??

Could there be a DNS entry or similar on our Exchange which I need to change/edit?

This is an urgent issue and needs to be resolved quickly.

Thanks for your help!
Abid
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Question by:AbXd
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Assisted Solution

by:Skyler Kincaid
Skyler Kincaid earned 250 total points
ID: 39206162
DNS can take up to 48 hours to propagate. Did you have an A record for your old email that pointed it to Live? If you did you need to change it on your internal server.
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Author Comment

by:AbXd
ID: 39206212
I didn't set up any A records on our internal Exchange server.

I wonder why Gmail and Hotmail accounts are sending emails perfectly fine to the Office365 mailbox from last 9 hours whereas our Exchange server still cannot route emails to the new platform.
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Expert Comment

by:Manpreet SIngh Khatra
ID: 39206592
Let me help understand few things here :)

1. What is the email address your trying to send emails to ?
2. Is that email also assigned to the mailbox internally ?
3. When you say emails arent going to Office365 is there some forwarding on internal mailboxes or how was the plan set to send emails to O365 users from internal accounts ?

- Rancy
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Accepted Solution

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AbXd earned 0 total points
ID: 39215784
Hi Rancy and xKincaidx,

Many thanks for your kind attention. I had raised the ticket with T-Suite helpdesk (Microsoft has delegated the Office 365 services/support to Telstra in Australia) and they immediately fixed the issue.

I still don't know what they did to make it work. However thanks for the input.

Will close the ticket now.

regards,
Abid
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Author Closing Comment

by:AbXd
ID: 39231287
I had raised the ticket with T-Suite helpdesk (Microsoft has delegated the Office 365 services/support to Telstra in Australia) and they immediately fixed the problem.
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