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Re: McAfee EPO 5.0.1 unable to login giving invalid credentials error


Have you restarted the BBDD and the McAfee services?

Best regards,


McAfee Employee
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Re: McAfee EPO 5.0.1 unable to login giving invalid credentials error

There are a number of support articles on this subject (KB53607,KB53461,KB69850,KB51640 for example).

But they generally all boil down to the same thing - something is preventing connection to the Sql database to validate your ePO credentials.

It might be the credentials are wrong, or maybe the Sql server has has some changes to its accounts, or maybe the sql ports have changed or a number of other scenarios with the same result.

If https://localhost:8443/core/config-auth doesn't work when executed on the ePO server directly it does suggest something has happened with the file on the ePO server that drives this url.

Do not post to a public forum such as this though, it contains network-specific information you would not want to share with the world.

If you want that analysed, open a McAfee support case instead.

Bear in mind there is a default 'admin' account for ePO, you just need that password.

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Re: McAfee EPO 5.0.1 unable to login giving invalid credentials error


Most often you will get an error message for invalid credentials when the DB size is full. Please check your DB size and if it reached the maximum limit, follow KB68961: How to remove old events and shrink the ePolicy Orchestrator database . Please note that if you are using EPO 5.0.1 it reached its EOL and McAfee would recommend to upgrade your EPO version.

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