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HTTP ERROR 500

Identity                      : EX1owa (Default Web Site)
ClientAuthCleanupLevel        : High
InternalAuthenticationMethods : {Basic, Fba}
BasicAuthentication           : True
WindowsAuthentication         : False
DigestAuthentication          : False
FormsAuthentication           : True
LiveIdAuthentication          : False
AdfsAuthentication            : False
OAuthAuthentication           : False
ExternalAuthenticationMethods : {Fba}
Url                           : {}
InternalSPMySiteHostURL       :
ExternalSPMySiteHostURL       :
SetPhotoURL                   :
Exchange2003Url               :
FailbackUrl                   :
InternalUrl                   :
ExternalUrl                   :