abibby-4956, You have stated, "I am the admin of the server" Just to clarify, are you having trouble login into Azure VM or Azure Portal? Do you recall making any changes prior to this issue?
To begin with:
If it's Azure Portal: take a look at the suggestions outlined in this doc -Troubleshoot Azure subscription sign-in issues
If it's Azure AD authentication and you're receiving this error code -AADSTS50074, then it's because- UserStrongAuthClientAuthNRequiredInterrupt - Strong authentication is required and the user did not pass the MFA challenge. ||
Azure AD Authentication and authorization error codes
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