Problem with transaction iview

Hi,

I'll need help. I'm currently on frontend EP7 SP12 / backend ECC 6. I tried creating transaction iview to a standard backend transaction with "SAP GUI for Window" and I have this problem.

**********************************

Service " unknown

Time ...

Component ...

Release 620

Version 36

Module ninti.c

Line 428

Method NiPServToNo

ReleaseCode -3

System Call getservbyname

Counter 1

*****************************************

Pls help, thks.

Regards,

Eric