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Windows Thread, OWA down in Technical; I assume it still doesnt work even if you tried going directly to the server instead of going through ISA ...
  1. #16
    apeo's Avatar
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    I assume it still doesnt work even if you tried going directly to the server instead of going through ISA i.e. on the server itself try to get to owa but dont use a proxy to get to it.

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    Morning lads,

    Thanks for all the suggestions. In the end i rebooted the bugger this morning. Bosh, sorted. I'll keep an eye on it though, as it is a recurring (and annoying) problem. Evidence seems to point to BackupExec's Friday night backup, so this may get revisited.

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    We have a similar problem I've never managed to track down.

    Our OWA uses a dedicated NIC which every few hours becomes unavailable via our external ADSL line but still works internally

    I have a scheduled task to restart the NIC:

    Code:
    netsh interface set interface "exchange" DISABLED
    netsh interface set interface "exchange" ENABLED

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    Sorted

    Posting a solution (of sorts) to this after finally diagnosing it.

    I've been in WSUSadmin for a couple of days configuring and fiddling, and after coming back from lunch, the admin webpage (WSUS 2) was down. So i checked Outlook web mail access, and sure enough, that was dead too.

    Long story short, it turns out that Backup Exec's rxWriterSvc service was chewing through NPP (non paged pool memory) resulting in IIS refusing any further connections. To check this, use Task Manager's Processes tab and do "View > Select Columns...". Add Non-Paged Pool and sort on that field to find the offender.

    Problem was remedied by running "net stop rxWriterSvc" and "net start rxWriterSvc". Then i restarted IIS. Everything hunky-dory now, access restored to both WSUS and OWA.

    Hope this helps someone.

  5. #20
    apeo's Avatar
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    Glad you found the cause of the problem... odd that veritas is doing that tho..



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