diff --git a/scripts/vm/hypervisor/xenserver/copy_vhd_from_secondarystorage.sh b/scripts/vm/hypervisor/xenserver/copy_vhd_from_secondarystorage.sh
index 3dcb0446d8a..6303e27fc02 100755
--- a/scripts/vm/hypervisor/xenserver/copy_vhd_from_secondarystorage.sh
+++ b/scripts/vm/hypervisor/xenserver/copy_vhd_from_secondarystorage.sh
@@ -48,7 +48,7 @@ if [ $? -ne 0 ]; then
   exit 0
 fi
 
-mount $mountpoint $localmp -r
+mount -o tcp,ro $mountpoint $localmp
 if [ $? -ne 0 ]; then
   echo "6#can't mount $mountpoint to $localmp"
   exit 0
diff --git a/scripts/vm/hypervisor/xenserver/copy_vhd_to_secondarystorage.sh b/scripts/vm/hypervisor/xenserver/copy_vhd_to_secondarystorage.sh
index 59af2e0fa01..ffad4c6d6c5 100755
--- a/scripts/vm/hypervisor/xenserver/copy_vhd_to_secondarystorage.sh
+++ b/scripts/vm/hypervisor/xenserver/copy_vhd_to_secondarystorage.sh
@@ -56,7 +56,7 @@ if [ $? -ne 0 ]; then
   exit 0
 fi
 
-mount $mountpoint $localmp
+mount -o tcp $mountpoint $localmp
 if [ $? -ne 0 ]; then
   echo "6#can't mount $mountpoint to $localmp"
   exit 0
diff --git a/scripts/vm/hypervisor/xenserver/create_privatetemplate_from_snapshot.sh b/scripts/vm/hypervisor/xenserver/create_privatetemplate_from_snapshot.sh
index 1b55501e7f4..a23111df12f 100755
--- a/scripts/vm/hypervisor/xenserver/create_privatetemplate_from_snapshot.sh
+++ b/scripts/vm/hypervisor/xenserver/create_privatetemplate_from_snapshot.sh
@@ -47,7 +47,7 @@ if [ $? -ne 0 ]; then
   exit 0
 fi
 
-mount $snapshoturl $snapshotdir
+mount -o tcp $snapshoturl $snapshotdir
 if [ $? -ne 0 ]; then
   rmdir $snapshotdir
   echo "5#can not mount $snapshoturl to $snapshotdir"
@@ -63,7 +63,7 @@ if [ $? -ne 0 ]; then
   exit 0
 fi
 
-mount $templateurl $templatedir
+mount -o tcp $templateurl $templatedir
 if [ $? -ne 0 ]; then
   rmdir $templatedir
   templatedir=""
diff --git a/scripts/vm/hypervisor/xenserver/upgrade_snapshot.sh b/scripts/vm/hypervisor/xenserver/upgrade_snapshot.sh
index 0da5debb77e..e8d891fb0d6 100755
--- a/scripts/vm/hypervisor/xenserver/upgrade_snapshot.sh
+++ b/scripts/vm/hypervisor/xenserver/upgrade_snapshot.sh
@@ -46,7 +46,7 @@ if [ $? -ne 0 ]; then
   exit 0
 fi
 
-mount $snapshoturl $snapshotdir
+mount -o tcp $snapshoturl $snapshotdir
 if [ $? -ne 0 ]; then
   rmdir $snapshotdir
   echo "5#can not mount $snapshoturl to $snapshotdir"
@@ -62,7 +62,7 @@ if [ $? -ne 0 ]; then
   exit 0
 fi
 
-mount $templateurl $templatedir
+mount -o tcp $templateurl $templatedir
 if [ $? -ne 0 ]; then
   rmdir $templatedir
   templatedir=""
diff --git a/scripts/vm/hypervisor/xenserver/vmopsSnapshot b/scripts/vm/hypervisor/xenserver/vmopsSnapshot
index 21c263e87dd..5641ad12874 100755
--- a/scripts/vm/hypervisor/xenserver/vmopsSnapshot
+++ b/scripts/vm/hypervisor/xenserver/vmopsSnapshot
@@ -286,7 +286,7 @@ def mount(remoteDir, localDir):
     makedirs(localDir)
     
     try: 
-        cmd = ['mount', remoteDir, localDir]
+        cmd = ['mount', '-o', 'tcp', remoteDir, localDir]
         txt = util.pread2(cmd)
     except:
         txt = ''