Exchange 2003 error message: unavailable http/1.1 503 service unavailable?

5 pts.
Tags:
Exchange 2003
Exchange 2003 error messages
Exchange error messages
Exchange errors
Outlook Web Access
Outlook Web Access error messages
OWA
When trying to access Outlook Web Access (OWA) in an Exchange Server 2003 environment, I receive the following error message?
ASKED: November 16, 2010  6:47 AM
UPDATED: November 16, 2010  3:39 PM

Answer Wiki

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There should be errors in the servers event logs. It may be as simple as the server drive being out of free space. Since the store seems to mount after a reboot, u may have exceeded the default maximum store size. Exchange 2003 has a default max store limit of 16GB. When you approach or exceed that limit, the store will unmount. If loaded Exchange 2003 SP2 u may modify the maximum store size up to 75GB. U could also perform an off-line defragmentation of the message store to reclaim empty space in the database.
If it is not a store size problem, it could be a damaged information store or corrupt transaction log file. U may link to this site to get more help :
<b>

http://support.microsoft.com/kb/823159</b>

Hope it helps u !

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  • Technochic
    Are you the only one experiencing this problem or is it corporate wide? What troubleshooting have you done so far? What service pack level is your Exchange?
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