diff --git a/oam/install_scripts/columnstore-post-install.in b/oam/install_scripts/columnstore-post-install.in
index a5f12555e..2e253de53 100755
--- a/oam/install_scripts/columnstore-post-install.in
+++ b/oam/install_scripts/columnstore-post-install.in
@@ -79,6 +79,7 @@ else
 	TempFileDir=`mcsGetConfig SystemConfig TempFileDir`
 	tmpDir=${tmpDir}${TempFileDir}
 	mkdir $tmpDir >/dev/null 2>&1
+	chmod 777 $tmpDir
 fi
 
 #set base columnstore temp file directory
diff --git a/oam/install_scripts/columnstore.in b/oam/install_scripts/columnstore.in
index 858395063..8686b6683 100644
--- a/oam/install_scripts/columnstore.in
+++ b/oam/install_scripts/columnstore.in
@@ -39,6 +39,9 @@ lockdir=`mcsGetConfig Installation LockFileDirectory`
 #get temp directory
 tmpDir=`mcsGetConfig SystemConfig SystemTempFileDir`
 mkdir $tmpDir >/dev/null 2>&1
+if [ $USER == "root" ]; then
+	chmod 777 $tmpDir
+fi
 
 checkInstallSetup() {
 	InitialInstallFlag=`mcsGetConfig -c @ENGINE_SYSCONFDIR@/columnstore/Columnstore.xml Installation InitialInstallFlag`