If the e-mail address of the current administrative contact for the domain is invalid, the registrant will not receive the confirmation e-mail and will not be able to confirm the transfer.

The losing registrar can deny a transfer for several reasons:

* Evidence of fraud
* UDRP (Uniform Domain-Name Dispute-Resolution Policy) Action
* Court order by court of competent jurisdiction
* Reasonable dispute over the identity of the Registrant or Administrative Contact
* No payment for previous registration period (including credit card charge-backs) if the domain name is past its expiration date or for previous or current registration periods if the domain name has not yet expired
* Express written objection to the transfer from the Transfer contact
* A domain name was already in the 'Lock' status
* A domain name is in the first 60 days of an initial registration period
* A domain name is within 60 days after being transferred.