Outlook Client unable to connect to Exchange server, but OWA works fine

25 pts.
Tags:
Microsoft Outlook 2003
Microsoft Outlook error messages
Outlook Client keeps receiving (server not found) error message while attempting to open his previous working Outlook connection. Connection to OWA works fine on same PC. Tried his logon on alternate PC with same results. Tried logging on to different PC, with same results, not Outlook connection

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Check his user account in active directory/exchange tabs, sounds like its pointing to an old or non-existent server.

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  • Daracena
    Thanks for the feedback. After around 30 minutes, access was availalbe again without any modification on our part. Not sure why, but the server was active in his AD account. If this was the case, I would assume OWA would not work also.
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  • David Sengupta
    Sounds like it took awhile for the Recipient Update Service (RUS) to stamp attributes on the mailbox. Way to check this is right after you create the account and before Outlook can connect (but when OWA can), use ADSIEdit to check the msexchangequerybasedn attribute. You will notice that while Outlook isn't able to connect, this attrib is empty. Then when the RUS stamps it, the attrib gets populated, and Outlook can connect. OWA doesn't require this attrib populated to connect. David
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  • Daracena
    Dave Thanks for the feedback, I'll take a look at the ADSIEdit tool. Since this is the first time i experienced this issue, hopefully I'll remember what your recommended next time it happens. Daniel
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  • Moto
    When you created the new email profile on another pc, was it able to resolve the exchange server name? you may try using the exchange ip address to see if can make the connection.
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  • Yorda
    I've been using exchange 2003 for few weeks but now I need to upgrade to 2007 what are the percondition?
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  • Lord Voldemort
    Yorda - Start a new thread...
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  • Praveen6150
    click start run type drivers then enter or open C:WINDOWSsystem32drivers open hosts folder on notepad after this line 127.0.0.1 localhost type for eg as follows. 127.0.0.1 localhost 192.168.100.201 mailserver this is for eg; u must use like 127.0.0.1 localhost save notepad and try.
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  • EGraniel
    Clear the .oab and .ost files in the user's outlook folder located here: Documents and settings<user name>Local SettingsApplication DataMicrosoftOutlook the issue you are describing is due to a corruption in those files, when you open the outlook again it will download a fresh copy of those configuration files.
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  • kiTkaT1412

    Hi all.. im currently experiencing this problem... outlook exchange is experiencing same error but OWA is working fine... I also tried isolations regarding the registry but didn't work... mm... all users are experiencing this when they will configure it on the station for the first time but for other workstations with existing outlook exchage account were functioning...

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