MailEnable webmail fails with Error 404.17 - Not Found


2016-11-16 13:02:52 UTC


2017-04-24 11:59:19 UTC


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MailEnable webmail fails with Error 404.17 - Not Found

Applicable to:

  • Plesk 11.5 for Windows


On Parallels Plesk server MailEnable webmail shows the following error when going to http://webmail.domain.tld

Server Error in Application "MAILENABLE WEBMAIL"
Internet Information Services 7.0
Error Summary
HTTP Error 404.17 - Not Found
The requested content appears to be script and will not be served by the static file handler.
Detailed Error Information
Module StaticFileModule
Notification ExecuteRequestHandler
Handler StaticFile
Error Code 0x80070032
Requested URL http://webmail.domain.tld:80/default.aspx
Physical Path C:\\Program Files (x86)\\Parallels\\Plesk\\Mail Servers\\Mail Enable\\Bin\\NETWebMail\\default.aspx
Logon Method Anonymous
Logon User Anonymous


Incorrect application pool configuration.


Switch application pool ASP.NET version to 2.0 in IIS > Application Pools > MailEnableAppPool .

Remove requestValidationMode="2.0" parameter from C:\\Program Files (x86)\\Parallels\\Plesk\\Mail Servers\\Mail Enable\\Bin\\NETWebMail\\web.config MailEnable webmail config.

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