Seems like there is an issue with SMT, using SLES12 SP1:

starting SSL for smt-ec2.susecloud.net:443...
SSL established
<- "GET /connect/repositories/installer HTTP/1.1\r\nAccept-Encoding: identity\r\nAccept: application/json,application/vnd.scc.suse.com.v4+json\r\nUser-Agent: SUSEConnect/0.3.0\r\nContent-Type: application/json\r\nAccept-Language: POSIX\r\nConnection: close\r\nHost: smt-ec2.susecloud.net\r\n\r\n"
-> "HTTP/1.1 422 Unprocessable Entity\r\n"
-> "Date: Mon, 08 Jan 2018 14:16:14 GMT\r\n"
-> "Server: Apache\r\n"
-> "scc-api-version: v4\r\n"
-> "Connection: close\r\n"
-> "Transfer-Encoding: chunked\r\n"
-> "Content-Type: application/json\r\n"
-> "\r\n"
-> "65\r\n"
reading 101 bytes...
-> "{\"error\":\"No product specified\",\"localized_error\":\"No product specified\",\"type\":\"error\",\"status\":422}"
read 101 bytes
reading 2 bytes...
-> ""
-> "\r\n"
read 2 bytes
-> "0\r\n"
-> "\r\n"
Conn close
Error: SCC returned 'No valid product found' (422)

Another user on the Azure forum reported the same problem: https://forums.suse.com/showthread.p...ltdown-upgrade

Seems SUSE already responded in the other thread, just posting so that other EC2 users see it