Plesk inaccessible: Bad Request - Invalid Hostname

Created:

2016-11-16 13:24:02 UTC

Modified:

2017-08-08 13:40:12 UTC

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Plesk inaccessible: Bad Request - Invalid Hostname

Applicable to:

  • Plesk 12.5 for Windows

Symptoms

Plesk shows the following error when trying to login:

Bad Request - Invalid Hostname

Cause

IIS discrepancy for Plesk website

Resolution

  1. Open Inernet Information Services Manager > Sites > PleskControlPanel edit Bindings , change IP Adress from * to public IP for both 8080/http and 8443/https

  2. Restart IIS via command line:

    iisreset

  3. Revert Bindings settings for PleskControlPanel site back to All Unassigned

  4. Restart Plesk website.
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