https://community.cisco.com/t5/collaboration-applications/cucm-12-x-auto-registration/m-p/3862624#M39838 <P>Hello</P><P>I cant auto register either SIP or SCCP device on a new cluster. I have enabled auto-registration&nbsp; for the subscriber and Default CCM Group. Option 150 is configured for the voice dhcp scope.</P><P>Any idea why no phones will auto register?</P> Fri, 24 May 2019 19:38:09 GMT Nkechi Latunji 2019-05-24T19:38:09Z https://community.cisco.com/t5/collaboration-applications/cucm-12-x-auto-registration/m-p/3862624#M39838 <P>Hello</P><P>I cant auto register either SIP or SCCP device on a new cluster. I have enabled auto-registration&nbsp; for the subscriber and Default CCM Group. Option 150 is configured for the voice dhcp scope.</P><P>Any idea why no phones will auto register?</P> Fri, 24 May 2019 19:38:09 GMT https://community.cisco.com/t5/collaboration-applications/cucm-12-x-auto-registration/m-p/3862624#M39838 Nkechi Latunji 2019-05-24T19:38:09Z https://community.cisco.com/t5/collaboration-applications/cucm-12-x-auto-registration/m-p/3862862#M39840 <P><a href="https://community.cisco.com/t5/user/viewprofilepage/user-id/287583">@Nkechi Latunji</a>&nbsp;&nbsp;can you check call manager service is activated in serviceability ?</P> Sat, 25 May 2019 20:27:06 GMT https://community.cisco.com/t5/collaboration-applications/cucm-12-x-auto-registration/m-p/3862862#M39840 waqas sardar 2019-05-25T20:27:06Z https://community.cisco.com/t5/collaboration-applications/cucm-12-x-auto-registration/m-p/3863043#M39844 <P>Only servers that have CUCM running show under system -&gt; Cisco Unified CM, which is where you enable auto-registration.</P> Sun, 26 May 2019 21:09:26 GMT https://community.cisco.com/t5/collaboration-applications/cucm-12-x-auto-registration/m-p/3863043#M39844 Jaime Valencia 2019-05-26T21:09:26Z