An engineer troubleshoots a Cisco Jabber login problem on a Windows PC. The login fails with the error message “Cannot find your services automatically. Click advanced settings to set up manually.” Which action should the engineer take first?
A. Verify whether the cup-xmpp certificates are valid
B. Perform a manual DNS lookup of SRV record_collab-edge._tls.domain.com
C. Verify the username and password and try again
D. Perform a manual DNS lookup of SRV record_cisco-uds._tcp.domain.com
