diff --git a/xCAT-test/autotest/testcase/installation/ubuntu_full_installation_vm b/xCAT-test/autotest/testcase/installation/ubuntu_full_installation_vm
index 8995fda4d..aa70373d0 100644
--- a/xCAT-test/autotest/testcase/installation/ubuntu_full_installation_vm
+++ b/xCAT-test/autotest/testcase/installation/ubuntu_full_installation_vm
@@ -17,19 +17,7 @@ cmd:nodeset $$CN osimage=__GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-ins
 check:rc==0
 cmd:rpower $$CN boot
 check:rc==0
-cmd:sleep 2000
-cmd:ping $$CN -c 3
-check:output=~64 bytes from $$CN
-cmd:lsdef -l $$CN | grep status
-check:output=~booted
-cmd:xdsh $$CN date
-check:rc==0
-check:output=~\d\d:\d\d:\d\d
-cmd:nodeset $$CN osimage
-check:rc==0
-cmd:rpower $$CN reset
-check:rc==0
-cmd:sleep 2000
+cmd:sleep 3000
 cmd:ping $$CN -c 3
 check:output=~64 bytes from $$CN
 cmd:lsdef -l $$CN | grep status