Hi, I have a question for your all, i don´t understand because in v$session we have many sessions (BMC/REMEDY) with different sid and same serial#. I tried to find something about this behavior but i don't find anything reliable in forums,blogs and Oracle Support. Why does this behavior exists? SID SERIAL# MACHINE ---------- ---------- -------------------- 64 1 zzz-server 65 6 zzz-server 66 3 zzz-server 67 3 zzz-server 68 3 zzz-server 69 3 zzz-server 70 3 zzz-server 71 3 zzz-server 72 3 zzz-server 73 3 zzz-server 74 3 zzz-server 75 3 zzz-server 76 3 zzz-server 77 3 zzz-server 78 3 zzz-server 79 3 zzz-server 80 4 zzz-server 82 50 zzz-server 83 58 zzz-server 98 50 zzz-server Thanks & Regards, Ralberto. -- //www.freelists.org/webpage/oracle-l