diff --git a/xCAT-test/autotest/testcase/migration/sles_migration b/xCAT-test/autotest/testcase/migration/sles_migration
index 40475f946..5a1f2d991 100644
--- a/xCAT-test/autotest/testcase/migration/sles_migration
+++ b/xCAT-test/autotest/testcase/migration/sles_migration
@@ -61,6 +61,12 @@ cmd:xdsh $$CN "/oldxcat/xcat-core/mklocalrepo.sh"
 check:rc==0
 cmd:xdsh $$CN "cd /oldxcat/xcat-dep/sles1`more /etc/*release|grep VERSION_ID|cut -c14`/__GETNODEATTR($$CN,arch)__/;./mklocalrepo.sh"
 check:rc==0
+# Workaround github issue #5503
+cmd:xdsh $$CN "grep -q 11 /etc/SuSE-release && ( sed -i -e 's#gpgcheck=1#gpgcheck=0#' /etc/zypp/repos.d/xcat-core.repo; sed -i -e 's#gpgcheck=1#gpgcheck=0#' /etc/zypp/repos.d/xcat-dep.repo )"
+cmd:xdsh $$CN "zypper --gpg-auto-import-keys -n --no-gpg-checks refresh"
+cmd:xdsh $$CN "grep -q 11 /etc/SuSE-release && rpm -e --allmatches gpg-pubkey-ca548a47-5b2c830b"
+cmd:xdsh $$CN "zypper refresh"
+check:rc==0
 cmd:xdsh $$CN "zypper sl -U;zypper --gpg-auto-import-keys search --match-exact -s screen"
 check:rc==0
 cmd:xdsh $$CN "zypper -n install xCAT"
@@ -93,7 +99,7 @@ cmd:xdsh $$CN "cd /root/xcat-dep/sles1`more /etc/*release|grep VERSION_ID|cut -c
 check:rc==0
 # Workaround github issue #5503
 cmd:xdsh $$CN "grep -q 11 /etc/SuSE-release && ( sed -i -e 's#gpgcheck=1#gpgcheck=0#' /etc/zypp/repos.d/xcat-core.repo; sed -i -e 's#gpgcheck=1#gpgcheck=0#' /etc/zypp/repos.d/xcat-dep.repo )"
-cmd:xdsh $$CN "zypper --gpg-auto-import-keys -n refresh"
+cmd:xdsh $$CN "zypper --gpg-auto-import-keys -n --no-gpg-checks refresh"
 cmd:xdsh $$CN "grep -q 11 /etc/SuSE-release && rpm -e --allmatches gpg-pubkey-ca548a47-5b2c830b"
 cmd:xdsh $$CN "zypper refresh;zypper -n update --force-resolution '*xCAT*'"
 check:rc==0
@@ -176,6 +182,12 @@ cmd:xdsh $$CN "/oldxcat/xcat-core/mklocalrepo.sh"
 check:rc==0
 cmd:xdsh $$CN "cd /oldxcat/xcat-dep/sles1`more /etc/*release|grep VERSION_ID|cut -c14`/__GETNODEATTR($$CN,arch)__/;./mklocalrepo.sh"
 check:rc==0
+# Workaround github issue #5503
+cmd:xdsh $$CN "grep -q 11 /etc/SuSE-release && ( sed -i -e 's#gpgcheck=1#gpgcheck=0#' /etc/zypp/repos.d/xcat-core.repo; sed -i -e 's#gpgcheck=1#gpgcheck=0#' /etc/zypp/repos.d/xcat-dep.repo )"
+cmd:xdsh $$CN "zypper --gpg-auto-import-keys -n --no-gpg-checks refresh"
+cmd:xdsh $$CN "grep -q 11 /etc/SuSE-release && rpm -e --allmatches gpg-pubkey-ca548a47-5b2c830b"
+cmd:xdsh $$CN "zypper refresh"
+check:rc==0
 cmd:xdsh $$CN "zypper sl -U;zypper --gpg-auto-import-keys search --match-exact -s screen"
 check:rc==0
 cmd:xdsh $$CN "zypper -n install xCAT"
@@ -208,7 +220,7 @@ cmd:xdsh $$CN "cd /root/xcat-dep/sles1`more /etc/*release|grep VERSION_ID|cut -c
 check:rc==0
 # Workaround github issue #5503
 cmd:xdsh $$CN "grep -q 11 /etc/SuSE-release && ( sed -i -e 's#gpgcheck=1#gpgcheck=0#' /etc/zypp/repos.d/xcat-core.repo; sed -i -e 's#gpgcheck=1#gpgcheck=0#' /etc/zypp/repos.d/xcat-dep.repo )"
-cmd:xdsh $$CN "zypper --gpg-auto-import-keys -n refresh"
+cmd:xdsh $$CN "zypper --gpg-auto-import-keys -n --no-gpg-checks refresh"
 cmd:xdsh $$CN "grep -q 11 /etc/SuSE-release && rpm -e --allmatches gpg-pubkey-ca548a47-5b2c830b"
 cmd:xdsh $$CN "zypper refresh;zypper -n update --force-resolution '*xCAT*'"
 check:rc==0