If you are experiencing long delays when using SNDPTFORD on LPAR. You will probably have this lines in ECS log file
\QIBM\UserData\OS400\UniversalConnection\log\eccTrace0.0.log :
WSWS3713E: Connection to the remote host failed
You can try to follow steps on section Delete and re-create the Service Configuration
Configuration Instructions for Electronic Customer Support (ECS) and Electronic Service Agent (ESA) for IBM i
After this you should set correct Proxy server values (if you use one) :
CHGSRVCFG ROLE(*PRIMARY) + F4 +F9
Change Service Configuration (CHGSRVCFG)
Type choices, press Enter.
Role . . . . . . . . . . . . . . > *PRIMARY *PRIMARY, *BACKUP
Connection type . . . . . . . . *DIRECT *SAME, *DIRECT, *OTHERISP...
Country or region ID . . . . . . CZ Character value, *SAME...
State or province code . . . . . *SAME Character value, *SAME...
ISP profile name . . . . . . . . *SAME
Remote system . . . . . . . . . *SAME
Proxy server:
IP address or host name . . . 'proxy_name'
Port number . . . . . . . . . proxy_port 1-65535, *SAME, *IBMSVR
Relative priority . . . . . . *TRYBEFORE *SAME, *TRYAFTER, *TRYBEFORE
Authentication user ID . . . . *NONE
Authentication password . . . *NONE
Then you can make another attempt :
SNDPTFORD PTFID((SF98720))