How to change back the name of a logical system

Hi SDN,

I am trying to customizing intial download data transfer from ECC to CRM. But in outbound queue of ECC it is showing an error of SYSFAIL with description of logical system name changed. Given note 558701.

But I don't know old name of logical system.

1) Can you guys please help how to find the old logical system name there are many logical systems defined in my system.

2) and how to change it?