Support by service : Frequently Asked Questions about NTT Communications Business Portal
[Arcstar IP Voice]What should I do if I get the error message "Other user is controlling"?
Case 1.
You are accessing Config Change site with plural account at the same time. Please have the other account log out.
Case 2.
You are accessing Config Change site with plural tab at the same time. Please close the other tabs.
Case 3.
You are accessing Config Change site again before the initial page of Config Change site has not desplayed fully yet. Please try again after waiting for 15 minutes without doing anything.