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OWA 2010 error. Your mailbox appears to be unavailable.

Got a weird issue. When attempting to log in to another user's mailbox via OWA, I receive the following error:

Your mailbox appears to be unavailable. Try to access it again in 10 seconds. If you see this error again, contact your helpdesk.

I have tried this two different way.

1. https://customerurl.com/owa/user@domain.com. I get the log in page, but after entering the credentials, I get the error.

2. Log in to OWA as myself, choose my name in the top right, type in the mailbox I want to open, then get the error.

I have verified that the permissions are correct for the mailbox I am trying to access, and this used to work. I have also verified via Test-ServiceHealth that required services are running. Application logs don't show anything that relates to this error.

Benjamin MOREAU

Try to add "Full Access" Rights via Exchange Management Console for the owner of the mailbox on his own mailbox.

Chuck Cobern

ASKER

Gave the user full access permission to his own mailbox, but still getting the same error.

Benjamin MOREAU

Could you post the result of :

Test-ServiceHealth | Select ServicesNotRunning | foreach { Start-Service $_.ServicesNotRunning }

Chuck Cobern

ASKER

ForEach-Object : Cannot bind argument to parameter 'Name' because it is an empty array.

Benjamin MOREAU

OK, just post the result of Test-ServiceHealth

Chuck Cobern

ASKER

[PS] C:\Windows\system32>Test-ServiceHealth

Role : Mailbox Server Role
RequiredServicesRunning : True
ServicesRunning : {IISAdmin, MSExchangeADTopology, MSExchangeIS, MSExchangeMailboxAssistants, MSExchangeMailSub
mission, MSExchangeRepl, MSExchangeRPC, MSExchangeSA, MSExchangeSearch, MSExchangeServiceHost
, MSExchangeThrottling, MSExchangeTransportLogSearch, W3Svc, WinRM}
ServicesNotRunning : {}

Role : Client Access Server Role
RequiredServicesRunning : True
ServicesRunning : {IISAdmin, MSExchangeAB, MSExchangeADTopology, MSExchangeFBA, MSExchangeFDS, MSExchangeMailbo
xReplication, MSExchangePOP3, MSExchangeProtectedServiceHost, MSExchangeRPC, MSExchangeServic
eHost, W3Svc, WinRM}
ServicesNotRunning : {}

Role : Hub Transport Server Role
RequiredServicesRunning : True
ServicesRunning : {IISAdmin, MSExchangeADTopology, MSExchangeEdgeSync, MSExchangeServiceHost, MSExchangeTranspo
rt, MSExchangeTransportLogSearch, W3Svc, WinRM}
ServicesNotRunning : {}

Benjamin MOREAU

Have you try (if you can) to restart the Information Store service ?

Chuck Cobern

ASKER

I would probably have to wait till after hours. I would assume user impact if I restart it now.

Benjamin MOREAU

Ok.

Do you try to access your user mailbox with an administrator mailbox... When you are loggin on OWA, do you use an admin account ? If YES, could you try tu use a user account with access right "full access" on your second user ?

Chuck Cobern

ASKER

The user that I was using does have full access permissions to the mailbox in question. I need to verify, but I think I resolved this issue by removing the permissions.

Remove-Mailbox -identity <alias> -User <alias> -AccessRights FullAccess

Then I add it back:

Add-Mailbox -identity <alias> -User <alias> -AccessRights FullAccess

When I go back to OWA, I can now access that one users mailbox. I was having this problem with several mailboxes so I will go and verify on the other mailboxes.

Benjamin MOREAU

Ok, Check & post your result :)

ASKER CERTIFIED SOLUTION

Chuck Cobern

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Chuck Cobern

ASKER

Through troubleshooting the issue, I was able to come upon the answer myself.