On October 19, 2021, we have enabled single-sign-on for our Plesk Support Center to provide a seamless login/account experience. This implies that you’ll be able to use a single account across any of our web-facing properties.
If you had already registered your account at Plesk 360 (formerly known as My Plesk) please use one for login. Otherwise please re-register it using the same email address as your existing Zendesk login (support account). It’s essential that you use the same email address on our support center to ensure that your tickets stay attached to the same account.

What limits are set in Plesk for username/password?

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9 comments

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    JUSTIN BUCKLEY

    Can these limits be changed at a system level? Particularly in linux?

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    Pavel Rozental

    Hi, this limits are hard-coded in Plesk and can not be changed on any level.

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    Anthony

    These limits stink of old code and should be changed. There is no valid reason for a 16 character limit for a system username on any platform.

    https://docs.microsoft.com/en-us/windows/win32/adschema/a-samaccountname

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    Maxim Krasikov

    Hello @Anthony,

    There was a typo in the article.
    System user name length in Plesk Onyx is 32 symbols.

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    Anthony

    Hello Maxim,

    Interesting, the API throws an error if an FTP account login is longer than 15 characters. Windows 2016 latest plesk build.

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    Julian Bonpland Mignaquy

    Hi @Anthony, have you checked the Local Security Policy in Windows?

    I recommend opening a ticket with us so we can troubleshoot the issue.

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    Anthony

    Hello @Julian,

      Maximum Account name length is not configurable via Policy.

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    Julian Bonpland Mignaquy

    @Anthony, please open a support ticket with us so we can investigate the logs https://support.plesk.com/hc/en-us/articles/360034192854

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    Jan Reilink

    Had to delete my previous reply, sorry.

    The `-login` parameter for subscription.exe is limited to 20 characters, and it uses the following regex to validate this:

    '/^\w[\-\w\.]{0,19}$/'
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