Logon to EPM Add-in twice

We have latest version of BPC:

CPMBPC 801 0005

POASBC 100_731 0005

When I launch EPM from BPC web by selecting "EPM Office Add-in Excel" I get two prompts: first to logon to Environment and then to Model. When I launch it via BPF I got prompt for logon to environment. In previous versions in first case it was only logon to environment and in second case no logon.

Is there any way to avoid this?

Regards

Ivan