Solved Register failed, Service unavailable

[clovanzo]

Hello,
I don't know where to start for troubleshooting this, for information my 3cx server has ben running about a year or two, never touch or reconfigure.

Today i have notification from my user that he cannot connect using android with error "Register failed, Service unavailable".
I try on windows client and have same issue

Server version is PBX Edition 15.5.8801.3

On License Settings, i cannot refresh license key information

My server dig response for activation.3cx.com

Any information would really appreciated.
Kind Regards,
clovanzo

Edit: Regarding my problem, i just find out that my FQDN (Fully Qualified Domain Name) cannot resolve, anyone can access 3cx.sg ?

 

[Saqqara]

You need to upgrade to 15.5.15502.6 , as changes have been done to the licensing servers in regard to ssl certifcates.

Info on how to upgrade -
https://www.3cx.com/blog/news/pbx-upgrade-update-6/

After the upgrade try refreshing your license

 

[YiannisH_3CX]

Hello @clovanzo

The first thing you need to do is to upgrade your PBX to the latest stable version of 3CX (SP6) to be able to activate your PBX as changes to SSL certificates prevent older versions from activating. You can upgrade by following this link: https://www.3cx.com/blog/news/pbx-upgrade-update-6/

 

[clovanzo]

Hello @Saqqara and @YiannisH_3CX
I've succesfully upgrading and it solve it. Thank you very much.

And now i facing another problem, 3CX SMTP Server cannot send welcoming email with error "AuthenticationInvalidCredentials: 5.7.0 Denied"

I am using static server ip same as first install it.

 

[clovanzo]

root@voip:~# nslookup mediaoktagonsolusi.3cx.sg 8.8.8.8
Server:         8.8.8.8
Address:        8.8.8.8#53

** server can't find mediaoktagonsolusi.3cx.sg: NXDOMAIN

root@voip:~# nslookup 3cx.sg 8.8.8.8
Server:         8.8.8.8
Address:        8.8.8.8#53

Non-authoritative answer:
*** Can't find 3cx.sg: No answer

Something happen on 3cx.sg domain,

root@voip:~# dig 3cx.nl

; <<>> DiG 9.10.3-P4-Debian <<>> 3cx.nl
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 7691
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;3cx.nl.                                IN      A

;; ANSWER SECTION:
3cx.nl.                 300     IN      A       151.80.125.91

;; Query time: 108 msec
;; SERVER: 203.174.8.1#53(203.174.8.1)
;; WHEN: Wed Jan 23 23:25:19 +07 2019
;; MSG SIZE  rcvd: 40

root@voip:~# dig 3cx.sg

; <<>> DiG 9.10.3-P4-Debian <<>> 3cx.sg
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 63307
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;3cx.sg.                                IN      A

;; Query time: 206 msec
;; SERVER: 203.174.8.1#53(203.174.8.1)
;; WHEN: Wed Jan 23 23:25:23 +07 2019
;; MSG SIZE  rcvd: 24

 

[YiannisH_3CX]

Please check your inbox as i have sent you a p.m. requesting extra details so i further look into the issue.

 

[clovanzo]

Please mark this thread as solved, reinstalling 3cx solve the problem. Thank you very much @YiannisH_3CX

 

[YiannisH_3CX]

Glad to see the issue has been resolved