diff --git a/SOURCES/0001-manager-allow-multiple-xdmcp-logins-for-the-same-use.patch b/SOURCES/0001-manager-allow-multiple-xdmcp-logins-for-the-same-use.patch
new file mode 100644
index 0000000..eb47abb
--- /dev/null
+++ b/SOURCES/0001-manager-allow-multiple-xdmcp-logins-for-the-same-use.patch
@@ -0,0 +1,94 @@
+From ef789e1e30c8682ac04e9ed29d40352992bf8aa9 Mon Sep 17 00:00:00 2001
+From: rpm-build <rpm-build>
+Date: Thu, 20 Dec 2018 14:51:38 -0500
+Subject: [PATCH] manager: allow multiple xdmcp logins for the same user
+
+---
+ common/gdm-settings-keys.h |  1 +
+ daemon/gdm-manager.c       | 27 +++++++++++++++++++++++++++
+ data/gdm.schemas           |  5 +++++
+ data/gdm.schemas.in.in     |  5 +++++
+ 4 files changed, 38 insertions(+)
+
+diff --git a/common/gdm-settings-keys.h b/common/gdm-settings-keys.h
+index f0059b5..33676a8 100644
+--- a/common/gdm-settings-keys.h
++++ b/common/gdm-settings-keys.h
+@@ -55,6 +55,7 @@ G_BEGIN_DECLS
+ #define GDM_KEY_MAX_WAIT_INDIRECT "xdmcp/MaxWaitIndirect"
+ #define GDM_KEY_PING_INTERVAL "xdmcp/PingIntervalSeconds"
+ #define GDM_KEY_WILLING "xdmcp/Willing"
++#define GDM_KEY_ALLOW_MULTIPLE_SESSIONS_PER_USER "xdmcp/AllowMultipleSessionsPerUser"
+ 
+ #define GDM_KEY_MULTICAST "chooser/Multicast"
+ #define GDM_KEY_MULTICAST_ADDR "chooser/MulticastAddr"
+diff --git a/daemon/gdm-manager.c b/daemon/gdm-manager.c
+index 031c61c..225de1d 100644
+--- a/daemon/gdm-manager.c
++++ b/daemon/gdm-manager.c
+@@ -612,6 +612,11 @@ switch_to_compatible_user_session (GdmManager *manager,
+         username = gdm_session_get_username (session);
+         seat_id = gdm_session_get_display_seat_id (session);
+ 
++        if (!seat_id || !sd_seat_can_multi_session (seat_id)) {
++                g_debug ("GdmManager: unable to activate existing sessions unless on seat0");
++                goto out;
++        }
++
+         if (!fail_if_already_switched) {
+                 session = NULL;
+         }
+@@ -1091,6 +1096,20 @@ open_temporary_reauthentication_channel (GdmManager            *self,
+ }
+ 
+ static gboolean
++remote_users_can_log_in_more_than_once (GdmManager *manager)
++{
++        gboolean enabled;
++
++        enabled = FALSE;
++
++        gdm_settings_direct_get_boolean (GDM_KEY_ALLOW_MULTIPLE_SESSIONS_PER_USER, &enabled);
++
++	g_debug ("GdmDisplay: Remote users allowed to log in more than once: %s", enabled? "yes" : "no");
++
++        return enabled;
++}
++
++static gboolean
+ gdm_manager_handle_open_reauthentication_channel (GdmDBusManager        *manager,
+                                                   GDBusMethodInvocation *invocation,
+                                                   const char            *username)
+@@ -1122,6 +1141,14 @@ gdm_manager_handle_open_reauthentication_channel (GdmDBusManager        *manager
+                 return TRUE;
+         }
+ 
++        if (is_login_screen && is_remote && remote_users_can_log_in_more_than_once (self)) {
++                g_dbus_method_invocation_return_error_literal (invocation,
++                                                               G_DBUS_ERROR,
++                                                               G_DBUS_ERROR_ACCESS_DENIED,
++                                                               "Login screen creates new sessions for remote connections");
++		return TRUE;
++        }
++
+         if (is_login_screen) {
+                 session = find_session_for_user_on_seat (self,
+                                                          username,
+diff --git a/data/gdm.schemas.in.in b/data/gdm.schemas.in.in
+index 8ad2031..003f92c 100644
+--- a/data/gdm.schemas.in.in
++++ b/data/gdm.schemas.in.in
+@@ -129,5 +129,10 @@
+       <signature>s</signature>
+       <default>@gdmconfdir@/Xwilling</default>
+     </schema>
++    <schema>
++      <key>xdmcp/AllowMultipleSessionsPerUser</key>
++      <signature>b</signature>
++      <default>false</default>
++    </schema>
+   </schemalist>
+ </gdmschemafile>
+-- 
+1.8.3.1
+
diff --git a/SPECS/gdm.spec b/SPECS/gdm.spec
index eb277d0..dd8af48 100644
--- a/SPECS/gdm.spec
+++ b/SPECS/gdm.spec
@@ -10,7 +10,7 @@
 Name: gdm
 Epoch: 1
 Version: 3.28.2
-Release: 11%{?dist}
+Release: 12%{?dist}
 Summary: The GNOME Display Manager
 
 License: GPLv2+
@@ -41,6 +41,8 @@ Patch66: 0007-local-display-factory-try-even-harder-to-get-to-a-lo.patch
 
 Patch70: 0001-daemon-gdm-session-record.c-open-close-the-utmp-data.patch
 
+Patch81: 0001-manager-allow-multiple-xdmcp-logins-for-the-same-use.patch
+
 Patch90: audit-4.patch
 Patch91: clear-screen.patch
 Patch92: 0001-gdm.conf-custom.in-strip-out-reference-to-wayland.patch
@@ -359,6 +361,11 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor >&/dev/null || :
 %{_libdir}/pkgconfig/gdm-pam-extensions.pc
 
 %changelog
+* Thu Dec 20 2018 Ray Strode <rstrode@redhat.com> 3.28.2-12
+- Allow multiple simultaneous XDMCP logins for a user if
+  xdmcp/AllowMultipleSessionsPerUser=true
+  Resolves: #1679914
+
 * Mon Dec 03 2018 Ray Strode <rstrode@redhat.com> - 3.28.2-11
 - Don't assume X server defaults to local only
   Resolves: #1647621