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Unable to log in to WordPress admin dashboard of a website hosted in Plesk when the "COOKIE_DOMAIN" directive is configured

Kuzma Ivanov

Updated May 03, 2021 20:15

Plesk for Windows Plesk for Linux kb: bug ext: wptk ABT: Group B

Applicable to:

Plesk for Linux
Plesk for Windows

Symptoms

It is not possible to log in to WordPress admin dashboard neither from Plesk, nor from WordPress login page.
The following line exists in the wp-config.php file at Domains > example.com > File Manager:

CONFIG_TEXT: define("COOKIE_DOMAIN", "example.com");
It is not possible to reset a WordPress admin password at Domains > example.com > WordPress > Setup.

Cause

This is WordPress Toolkit bug with ID EXTWPTOOLK-2004, which will be fixed in future product updates.

Resolution

As a workaround:

Log in to Plesk.
Go to Domains > example.com > File Manager and open the wp-config.php file.
Remove the following line:

CONFIG_TEXT: define("COOKIE_DOMAIN", "example.com");
Apply the changes.

Comments

3 comments

Bragi Austfjord March 09, 2020 11:54

This did not fix my issue.

0

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Pavel Rozental March 10, 2020 02:11

Hello,

Probably you faced another issue please create a ticket for further investigation:

https://support.plesk.com/hc/en-us/articles/213608509

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Cem Sayar January 29, 2021 22:52
I removed these lines in my PHP Settings, which I had added :) before
Additional configuration directives
```
max_execution_time = 3000
post_max_size = 32
upload_max_filesize = 32
```
.... and I could Login from PLESK
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