Starting on October 19, 2021, we will enable 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.
To be prepared for this change and to avoid the need to register during your next ticket submission after the change, we encourage you to create an account here before October 19 using the same email address as your current 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. You will continue to use ZenDesk authentication until we switch over to single-sign-on on October 19th.

Plesk shows HTTP Error 503. The service is unavailable: The identity of application pool PleskControlPanel is invalid

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2 comments

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    Twan Lommers

    Hello,

    I got this problem now.
    But i am already using it for 3 years in a row without any problems.
    How can this happen? 

    Thanks

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    Maxim Krasikov

    Hi @Twan Lommers,

    Please contact Plesk support for the assistance: https://support.plesk.com/hc/en-us/requests/new 

    Probably, some clues about the reported behavior can still be available on the server.

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