diff -uNr cloud-init-0.7.9-orig/cloudinit/config/cc_resolv_conf.py cloud-init-0.7.9/cloudinit/config/cc_resolv_conf.py
--- cloud-init-0.7.9-orig/cloudinit/config/cc_resolv_conf.py	2017-10-18 00:36:44.839010507 +0000
+++ cloud-init-0.7.9/cloudinit/config/cc_resolv_conf.py	2017-10-18 23:40:02.986968167 +0000
@@ -55,10 +55,10 @@
 
 frequency = PER_INSTANCE
 
-distros = ['fedora', 'rhel', 'sles']
+distros = ['fedora', 'rhel', 'sles', 'photon']
 
 
-def generate_resolv_conf(template_fn, params, target_fname="/etc/resolv.conf"):
+def generate_resolv_conf(template_fn, params, target_fname="/etc/systemd/resolved.conf"):
     flags = []
     false_flags = []
 
@@ -104,12 +104,29 @@
     if "resolv_conf" not in cfg:
         log.warn("manage_resolv_conf True but no parameters provided!")
 
-    template_fn = cloud.get_template_filename('resolv.conf')
+    template_fn = cloud.get_template_filename('systemd.resolved.conf')
     if not template_fn:
-        log.warn("No template found, not rendering /etc/resolv.conf")
+        log.warn("No template found, not rendering /etc/systemd/resolved.conf")
         return
 
     generate_resolv_conf(template_fn=template_fn, params=cfg["resolv_conf"])
+
+    cmd = ['/usr/bin/sed', '-i',  '/Domains=/d' , '/etc/systemd/network/99-dhcp-en.network']
+    util.subp(cmd)
+
+    domain_regex_str = None
+    resolv_cfg = cfg["resolv_conf"]
+    if resolv_cfg:
+        domains = resolv_cfg["searchdomains"]
+        if domains:
+            domains_regex_str = '/\[Network\]/a Domains='
+            for domain in domains:
+                domains_regex_str += domain + ' '
+    if domains_regex_str:
+        cmd = ['/usr/bin/sed', '-i', domains_regex_str, '/etc/systemd/network/99-dhcp-en.network']
+        util.subp(cmd)
+
+    util.subp(["systemctl", "restart", "systemd-networkd", "systemd-resolved"])
     return
 
 # vi: ts=4 expandtab
diff -uNr cloud-init-0.7.9-orig/templates/systemd.resolved.conf.tmpl cloud-init-0.7.9/templates/systemd.resolved.conf.tmpl
--- cloud-init-0.7.9-orig/templates/systemd.resolved.conf.tmpl	1970-01-01 00:00:00.000000000 +0000
+++ cloud-init-0.7.9/templates/systemd.resolved.conf.tmpl	2017-10-18 00:37:39.003013090 +0000
@@ -0,0 +1,12 @@
+## template:jinja
+# Your system has been configured with 'manage-resolv-conf' set to true.
+# As a result, cloud-init has written this file with configuration data
+# that it has been provided. Cloud-init, by default, will write this file
+# a single time (PER_ONCE).
+#
+[Resolve]
+LLMNR=false
+{% if nameservers is defined %}
+DNS={% for server in nameservers %}{{server}} {% endfor %}
+{% endif %}
+