topic Re: CUCM 12.5 Installation Error: &quot;VM Primary Node must have an external NTP server. in Collaboration Applications https://community.cisco.com/t5/collaboration-applications/cucm-12-5-installation-error-quot-vm-primary-node-must-have-an/m-p/4410163#M45793 <P>Delete the VM and redeploy the OVA.</P> Fri, 28 May 2021 14:10:43 GMT Jaime Valencia 2021-05-28T14:10:43Z CUCM 12.5 Installation Error: "VM Primary Node must have an external NTP server. https://community.cisco.com/t5/collaboration-applications/cucm-12-5-installation-error-quot-vm-primary-node-must-have-an/m-p/4410158#M45792 <DIV><DIV class=""><DIV class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><SPAN>Device BE7000</SPAN></DIV></DIV><DIV class=""><DIV class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><SPAN>ESXI 7.0</SPAN></DIV></DIV><DIV class=""><DIV class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><SPAN>CUCM 12.5</SPAN></DIV></DIV><DIV class=""><DIV class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><SPAN>During the CUCM installation, I encountered the error below. I suspect I got this error because the server was not shut down properly when I aborted the installation in the middle. I do have an external NTP server and I didn't reach the stage where you enter NTP IPs when I aborted the installation.</SPAN></DIV></DIV><DIV class=""><DIV class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><STRONG>What I need is to start the installation again so I can enter all the necessary information again including external NTP. But every time I start CUCM VM the installation goes to the error below. How do I start the installation from the beginning?</STRONG></DIV></DIV><DIV class=""><DIV class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><SPAN>&nbsp;</SPAN><U><STRONG>ERROR:</STRONG></U></DIV></DIV><DIV class=""><DIV class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><SPAN>The installation has encountered an unrecoverable internal error. For further assistance </SPAN></DIV></DIV><DIV class=""><DIV class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><SPAN>report the following information to your support provider.</SPAN></DIV></DIV><DIV class=""><DIV class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><SPAN>VM Primary Node must have an external NTP server.</SPAN></DIV></DIV><DIV class=""><DIV class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><SPAN>The System will now halt.</SPAN></DIV></DIV></DIV> Fri, 28 May 2021 14:06:21 GMT https://community.cisco.com/t5/collaboration-applications/cucm-12-5-installation-error-quot-vm-primary-node-must-have-an/m-p/4410158#M45792 mid230 2021-05-28T14:06:21Z Re: CUCM 12.5 Installation Error: "VM Primary Node must have an external NTP server. https://community.cisco.com/t5/collaboration-applications/cucm-12-5-installation-error-quot-vm-primary-node-must-have-an/m-p/4410163#M45793 <P>Delete the VM and redeploy the OVA.</P> Fri, 28 May 2021 14:10:43 GMT https://community.cisco.com/t5/collaboration-applications/cucm-12-5-installation-error-quot-vm-primary-node-must-have-an/m-p/4410163#M45793 Jaime Valencia 2021-05-28T14:10:43Z Re: CUCM 12.5 Installation Error: "VM Primary Node must have an external NTP server. https://community.cisco.com/t5/collaboration-applications/cucm-12-5-installation-error-quot-vm-primary-node-must-have-an/m-p/4410197#M45795 <P>Thanks.&nbsp; Is this the only option?&nbsp; I was trying to avoid deleting the VM.&nbsp; The BE7000 came with VM applications ready.</P> Fri, 28 May 2021 15:40:57 GMT https://community.cisco.com/t5/collaboration-applications/cucm-12-5-installation-error-quot-vm-primary-node-must-have-an/m-p/4410197#M45795 mid230 2021-05-28T15:40:57Z