Cisco Emergency Responder Administration Guide, Release 15 and SUs - Cisco Emergency Responder Installation and Upgrade

Publisher

Cisco Systems

URL

https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cer/15/english/administration/guide/cer0_b_cisco-emergency-responder-administration-guide-15/cer0_m_cisco-emergency-responder-administration-installation.html

Published

unknown

Updated

unknown

Accessed

2026-09-24

HTTP status

200

License

Cisco documentation; all rights reserved; no-redistribution; short excerpts and locators only

Source notes citing this source

• Before installing the Subscriber, the Subscriber's hostname is added on the Publisher under System > Add Subscriber, and the Subscriber install asks for the Publisher hostname, IP address and security password. in context
• If DNS is used, every server that will run Emergency Responder must be properly registered in DNS before installation. in context
• The hostnames of the Emergency Responder Publisher and Subscriber must not contain an underscore. in context
• Cisco's Release 15 installation chapter lists installing Cisco Unified Communications Manager as a step before installing Emergency Responder. in context
• Installing the Emergency Responder Publisher requires the IP address of an external NTP server. in context
• After Subscriber installation, its administration page showing the message that the Primary Cisco Emergency Responder is active indicates the Subscriber installed successfully. in context
• When both are upgraded, Emergency Responder must be upgraded before Unified CM, and the target Emergency Responder version must be compatible with the existing Unified CM version. in context
• Emergency Responder 15 runs only as a virtual machine; supported platforms are VMware vSphere ESXi, Cisco NFVIS-for-UC and Nutanix AHV. in context
• The Release 15 guide documents three installation methods: attended installation, touchless installation, and fresh installation with data import. in context
• The primary and standby Emergency Responder servers must run the same Emergency Responder version. in context
• The Emergency Responder Subscriber must be installed only after the Publisher installation, including its reboot, has completed. in context

Cite this source record

APA

WarmTransfer. (2026, September 24). Cisco Emergency Responder Administration Guide, Release 15 and SUs - Cisco Emergency Responder Installation and Upgrade. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-cer-15-admin-install

BibTeX

@misc{warmtransfer-cisco-cer-15-admin-install,
  title  = {Cisco Emergency Responder Administration Guide, Release 15 and SUs - Cisco Emergency Responder Installation and Upgrade},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-cer-15-admin-install},
  note   = {Cisco Systems, accessed 2026-09-24}
}