Cannot upload large files using File Manager: `Unable to upload: data transmission error

Created:

2016-11-16 13:01:11 UTC

Modified:

2017-04-24 11:11:24 UTC

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Cannot upload large files using File Manager: `Unable to upload: data transmission error

Applicable to:

  • Plesk 12.5 for Linux
  • Plesk 11.5 for Windows
  • Plesk 10.x and below for Windows

Symptoms

It is not possible to upload a large file using the Files Manager. The following error shows:

Unable to upload: data transmission error. Try again or contact the server administrator to resolve this problem.

Cause

The size of the file, which can be uploaded via File Manager, is limited by the PHP engine configuration.  This limit is set in the file $\{PRODUCT\_ROOT\_D\}/admin/conf/php.ini.

Resolution

Edit file $\{PRODUCT\_ROOT\_D\}/admin/conf/php.ini and adjust the value of the configuration directives as follows:

    # egrep upload /usr/local/psa/admin/conf/php.ini
upload_max_filesize = 2147483647

Restart sw-engine service:

    # /etc/init.d/sw-engine restart
Restarting sw-engine (via systemctl): [ OK ]

See also

Description of core php.ini directives

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