Mailbox Creation on Exchange 2010

I find that my Exchange 2010 has lost synchronization with my AD controller.


I create a database (and specific a new AD account) , the mailbox is created but the new created AD account can't search in my AD (Window 2003 & Window 2008).

If I create a AD account on AD first and then create a mailbox, the AD account can't be searched on Exchange.

Any idea for the problem ?

Tks
AXISHKAsked:
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TG TranConnect With a Mentor IT guyCommented:
Check DNS on Exchange, is it pointed to local DC?

Can you post the result of "Get-ADServerSettings | fl"?
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TG TranIT guyCommented:
Have you tried to restart  Microsoft Exchange Active Directory Topology Service?

Any error in the event logs?
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shiva549Connect With a Mentor Commented:
Have you tried to restart  Microsoft local address book Service?
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AXISHKAuthor Commented:
Yes, even restart the Exchange server.
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AXISHKAuthor Commented:
FYI. any recommendation ? Great Tks.


[PS] C:\Windows\system32>Get-ADServerSettings | fl


RunspaceId                                 : 9bbdc55f-d482-4285-b5bb-722b538aaf59
DefaultGlobalCatalog                       : abc01.abc.com.hk
PreferredDomainControllerForDomain         : {}
DefaultConfigurationDomainController       : abc01.abc.com.hk
DefaultPreferredDomainControllers          : {abc01.abc.com.hk}
UserPreferredGlobalCatalog                 :
UserPreferredConfigurationDomainController :
UserPreferredDomainControllers             : {}
RecipientViewRoot                          : abc.com.hk
ViewEntireForest                           : False
WriteOriginatingChangeTimestamp            : False
WriteShadowProperties                      : False
Identity                                   :
IsValid                                    : True
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Sushil SonawaneConnect With a Mentor Commented:
If your exchange server and active directory server is on different server then make sure your firewall not block the exchange and domain port.


1) your exchange server dns setting pointing to your AD server.
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AXISHKAuthor Commented:
Correct.

How can I check whether there is blocking between AD and Exchange ? Firewall on AD has been disabled.


Tks
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TG TranIT guyCommented:
if you want, you can disable the firewall "domain profile" on exchange and test..

More info - do accounts or mailboxes eventually show up?  Usually, it may take few minutes for changes on DC to show up on Exchange and vice versa.  From the results you posted, your AD topology looks normal.

But if this what happened to the mailboxes you created?  What state are these mailboxes?  Any error message?
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AXISHKAuthor Commented:
Fix the AD replication and solve the problem, Tks
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