Exchange 2007 SP1 | Event ID 4011

Hi All,
I am getting the following error (Event ID 4011) on our One and Only Exchange 2007SP1 Box.

Domain Controllers :

1 = Windows 2003 R2 SP2
2 = Windows 2008 Standard

Both DCs are working fine, we recently demoted our previous Windows 2003 DC and transferred fsmo and other stuff to the new 2008 DC.

I can't seem to understand this error as everything on this exchange server is working fine.

Process 1612[w3wp.exe:/LM/W3SVC/1/ROOT/EWS-1-129206120938380548]: Configuration for forest mydomain.co.uk was not found in Active Directory. Run the Add-AvailabilityAddressSpace command in the Exchange Management Shell for an Exchange Server 2003 Active Directory forest.

Can someone assist in getting rid of this error, if you need more info, please let me know and I will provide that too.

Thanks for reading
Regards
Phrontiste
LVL 5
phrontisteAsked:
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Shreedhar EtteCommented:
Hi,

Refer this:
http://support.microsoft.com/kb/972514

Hope this helps,
Shree

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phrontisteAuthor Commented:
Hi Shree,

Thanks for your reply, the link you provided says :

This issue occurs because of a logic error in Exchange Server 2007. Specifically, Exchange Server 2007 tries to locate free/busy data for external contacts. When the free/busy data is unavailable, Exchange Server 2007 still logs an event

What do they exactly mean by external contacts ?

Do they mean that sometimes in Exchange we create MAIL Contacts for different users who are using gmail / hotmail / yahoo etc and redirect there email to there ?

We don't have anyone in our company using autodiscover or accessing outlook from outside the lan apart from ONE user which VPN's in first and then open outlook.

Thanks somuch
phrontisteAuthor Commented:
Awawada > Please don't copy / paste the same links - if you have the answer to my question please respond with some other sentences or links.

awawadaCommented:
Try this as already mentioned by dhruvarajp and let us know.
phrontisteAuthor Commented:
Hi Awawada - can you please stop re-phrasing and cutting pasting - I can see the link posted by dhruvarajp

I already had seen that link ages ago, I want to find out why is this happening.

Please if you have some thoughts in your own words / experience let me know else please don't fill up the page with already given suggestions.

Shree, We do have external contacts in our Exchange 2007, like someone@gmail.com, someone@live.com, someone@hotmail.com - looking at the links you provided I think it would be that the availability service is looking information for them ? isn't it

I am awarding you the points because you provided two links which I didn't came across and they make sense.

phrontisteAuthor Commented:
Will be grateful if you could come back on this page and just re-assure me according to the situation.

thanks
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