diff -up pegasus/env_var_Linux.status.orig pegasus/env_var_Linux.status
--- pegasus/env_var_Linux.status.orig	2013-07-18 13:24:46.839705853 +0200
+++ pegasus/env_var_Linux.status	2013-07-18 13:25:18.638865967 +0200
@@ -33,6 +33,7 @@ PEGASUS_USE_SYSLOGS=true
 PEGASUS_CIM_SCHEMA=CIM233
 PEGASUS_USE_NET_SNMP=true
 PEGASUS_ENABLE_PRIVILEGE_SEPARATION=false
+PEGASUS_INTEROP_NAMESPACE=root/interop
 
 PEGASUS_ENABLE_INTEROP_PROVIDER=true
 PEGASUS_ENABLE_PROTOCOL_WSMAN=false