OWA doesnt work anymore

hi all,

we have problems with our OWA (exchange 2007 on sbs2008), we cannot connect to it.

When i look in the Exchange management console under client acces, and i choose OWA, i get following error:
"The properties on 'owa (sbs web applications)' have invalid data. if you click OK, default values will be used instead and will be saved if you do not change them before hitting apply or OK on the property page...
the following values have invalid data: LogonFormat"

we get the same with exchange activesync:
"the following values have invalid data: metabasepath"

Have no idea what could have happened. thursday-afternoon everything worked fine, but friday-morning the problem occured

anyone an idea?

robby
techneitsolutionsAsked:
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techneitsolutionsConnect With a Mentor Author Commented:
Hi,

We tried that but it didn't solve the problem.
We rolled back the machine to a previous state.
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Girish_2500Commented:
hi,,

please delete and recreate the virtual directories for owa .

use this command
Remove-OwaVirtualDirectory "owa(default web site)"

New-OwaVirtualDirectory -name "owa" -OwaVersion Exchange2007 -WebSiteName  "Default Web Site"

Same with Microsoft-Server-Activesync.

http://technet.microsoft.com/en-us/library/aa996916.aspx

http://technet.microsoft.com/en-us/library/aa997160.aspx


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