HTTP ERROR 503,unable to handle this request. RRS feed

  • Question

  • I am unable to login MS exchange adminECP and OWA url. Whenever i want login to bolth of the having 'HTTP ERROR 503,unable to handle this request'. Please help.
    Saturday, May 27, 2017 8:21 PM

All replies


    Ed Crowley MVP "There are seldom good technological solutions to behavioral problems."
    Celebrating 20 years of providing Exchange peer support!

    Monday, May 29, 2017 5:04 AM
  • Hi Debjeet,

    This issue may be caused by Exchange SSL certificate on Exchange Backend Website, please navigate to IIS->Exchange Back End->Bingings->Https->Edit on Exchange back end server, and make sure SSL certificate is “Microsoft Exchange” as the following snapshot:

    Best Regards,
    Jim Xu
    TechNet Community Support

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    • Proposed as answer by jim-xu Friday, June 2, 2017 2:47 AM
    Monday, May 29, 2017 7:48 AM
  • helped Thanks jim-xu

    Saturday, June 20, 2020 7:17 PM