Hi @SenhorDolas
Thank you for reaching us!
The MSOL account is created with a long, complex password that doesn't expire. If you have a password policy in your domain, make sure that long and complex passwords are allowed for this account.
For more details please refer: https://learn.microsoft.com/en-us/entra/identity/hybrid/connect/reference-connect-accounts-permissions#created-accounts-details
Hope this helps. Do let us know if you any further queries.
Thanks,
Akhilesh.
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