Prerequisites

Note	If you already have a Cisco Threat Response user account, you do not need to create a Cisco XDR user account. You can log in to Cisco XDR using your Cisco Threat Response user account credentials.

Make sure that you create a user account in Cisco XDR with admin access rights. To create a new user account, go to Cisco XDR login page using the URL https://xdr.us.security.cisco.com and click Sign up now on the login page. If you are unable to create a new user account, contact Cisco TAC for assistance.
[Only if you are not using a proxy server] Make sure that you open HTTPS (In and Out) 443 port on the firewall for the following FQDNs to register your appliance with Cisco XDR:
- api-sse.cisco.com (applicable for NAM users only)
- api.eu.sse.itd.cisco.com (applicable for European Union (EU) users only)
- api.apj.sse.itd.cisco.com (applicable for APJC users only)
- est.sco.cisco.com (applicable for APJC, EU, and NAM users)
For more information, see Firewall Information.
[For users with smart licensing registered on the Secure Email and Web Manager] Make sure you have already linked your smart account (created in Cisco Smart Software Manager portal) to Cisco Security Services Exchange . For more information, see the following documentation at:
- [Applicable for NAM users] https://admin.sse.itd.cisco.com/assets/static/online-help/index.html#!t_link_accounts.html
- [Applicable for European Union (EU) users] https://admin.eu.sse.itd.cisco.com/assets/static/online-help/index.html#!t_link_accounts.html
- [Applicable for APJC users] https://admin.apj.sse.itd.cisco.com/assets/static/online-help/index.html#!t_link_accounts.html