On Tuesday, September 2nd at 4:00pm Central US (21:00 GMT), RegistryPro will be performing a server upgrade. This upgrade will result in a temporary suspension of access to the following components of the .Pro TLD for approximately 30 minutes:
EPP
ProControl
WHOIS lookups
AV data submission
DNS resolution will not be impacted and all resolving and redirecting .Pro domains will continue to function normally.