Can't Sign In

Question

Trying to sign into my client's account. Enter valid password then on to verification code sent to his phone. But that step fails every time. We need to be able to administer his Exchange Server. Any ideas?

Answer 1

These are peer level support forums, there's really nothing we as users could do. It looks like you'll need to contact support.

--please don't forget to Accept as answer if the reply is helpful--

Answer 2

Check replication status if your customer is using more than one domain controller.

Make sure to insert MFA code before exceeding the time.

Answer 3

Hi @AJ James ,

According to your information above, are you going to login your client's o365 admin portal or EAC?

What error did you receive when you login failed entering the verification code?

Here is the official document introduces about You can't sign in to Office 365, Azure, or Intune

---

If an Answer is helpful, please click "Accept Answer" and upvote it.

Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.
 

Answer 4

Something here might help.
https://support.microsoft.com/en-us/help/2834968/we-did-not-receive-the-expected-response-error-message-when-you-try-to

--please don't forget to Accept as answer if the reply is helpful--

Answer 5

Note that we've tried to enter different verification codes many times. No way I've entered them incorrectly every time, if at all. We've been very deliberate.