diff -up ecryptfs-utils-87/src/utils/ecryptfs-migrate-home.authconfig ecryptfs-utils-87/src/utils/ecryptfs-migrate-home
--- ecryptfs-utils-87/src/utils/ecryptfs-migrate-home.authconfig	2011-06-09 13:25:11.346617817 +0200
+++ ecryptfs-utils-87/src/utils/ecryptfs-migrate-home	2011-06-09 13:25:39.288769200 +0200
@@ -98,6 +98,11 @@ sanity_check () {
 	if ! which rsync >/dev/null 2>&1; then
 		error "Please install the rsync package."
 	fi
+	# Check for ecryptfs pam module
+	if ! grep -q ecryptfs /etc/pam.d/postlogin
+	then
+		error "You must enable ecryptfs pam module first. It can be enabled by using: authconfig --enableecryptfs --updateall"
+	fi
 	# Check free space: make sure we have sufficient disk space
 	# available. To make a full copy, we will need at least 2.5x the
 	# disk usage of the target home directory.