diff --git a/xCAT-server/share/xcat/install/sles/compute.sle15.tmpl b/xCAT-server/share/xcat/install/sles/compute.sle15.tmpl
index 4d9a5884e..cb70be65f 100644
--- a/xCAT-server/share/xcat/install/sles/compute.sle15.tmpl
+++ b/xCAT-server/share/xcat/install/sles/compute.sle15.tmpl
@@ -32,6 +32,7 @@
          <accept_non_trusted_gpg_key config:type="boolean">true</accept_non_trusted_gpg_key>
          <accept_unknown_gpg_key config:type="boolean">true</accept_unknown_gpg_key>
          <accept_unsigned_file config:type="boolean">true</accept_unsigned_file>
+         <accept_verification_failed config:type="boolean">true</accept_verification_failed>
       </signature-handling>
     </general>
     <partitioning config:type="list">
diff --git a/xCAT-server/share/xcat/install/sles/service.sle15.tmpl b/xCAT-server/share/xcat/install/sles/service.sle15.tmpl
index b1ed324ea..f91d1f5e5 100644
--- a/xCAT-server/share/xcat/install/sles/service.sle15.tmpl
+++ b/xCAT-server/share/xcat/install/sles/service.sle15.tmpl
@@ -32,6 +32,7 @@
          <accept_non_trusted_gpg_key config:type="boolean">true</accept_non_trusted_gpg_key>
          <accept_unknown_gpg_key config:type="boolean">true</accept_unknown_gpg_key>
          <accept_unsigned_file config:type="boolean">true</accept_unsigned_file>
+         <accept_verification_failed config:type="boolean">true</accept_verification_failed>
       </signature-handling>
     </general>
     <partitioning config:type="list">