Exchange 2010 Autodiscover is not working


I have some issues with the Autodiscover not functioning properly.
After some investigation it seems like the SCP (service Connection Point) towards AD is missing.
The IIS Autodiscover virtualfolder is present

The folders are present but there is no entries in them. After some research I found that these attributes should reside here :
- The serviceBindingInformation attribute
- The keywords attribute

So to the big quiz.

How can I "recreate" this SCP ?
What is the best way to go ?
Is there anything to consider before applying any fix ?
Does anyone have any experience in things getting broken in this process ?

Thanks in advance !!
Mr WooberAsked:
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Mark GalvinManaging Director / Principal ConsultantCommented:
Satyendra SharmaMicrosoft UC Technical ArchitectCommented:
Autodiscover in Active Directory called the Service Connection Point [SCP] that is only created during installation of the CAS role.  Deleting this directly will require you to most likely uninstall the CAS role, replicate changes through your AD, then reinstall the CAS role.
Guy LidbetterCommented:
Hi mr-woober

If the SCP records are missing, Outlook itself would fall back first to Autodiscover DNS records (which should be pointing to a CAS array), and if this doesn't work it will look for an SRV record in DNS  (This needs to be manually created as well). So your clients should be ok if you have at least one of these two.

If the SCP records are indeed missing for the CAS servers in the configuration partition, I would suggest a re-install of the CAS role. Don't try and recreate them yourself...



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Zacharia KurianAdministrator- Data Center & NetworkCommented:
Do not manually create it, rather reinstall the CAS. Take a note of your SSL before reinstalling.

Had faced the same issue with one of clients and reinstalling CAS solved the issue.

Mr WooberAuthor Commented:
Thanks for all suggestions.

I have only one CAS and this is a production environment, so I hoped to avoid the reinstall.

But if I add an SRV record on DNS that points to the Exchange server, I should be good ?
Zacharia KurianAdministrator- Data Center & NetworkCommented:
No, that would be just a DNS record. SCP is created during exchange install.

Henry DawsonCommented:

Please verify the record from your internet DNS server.

A new feature is that enables Outlook 2007 to use DNS Service Location (SRV) records to locate the Exchange Autodiscover service


Get some help from here...

Zacharia KurianAdministrator- Data Center & NetworkCommented:
Found an interesting  link.

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