Xcode Server OTA Install: "cannot connect to server.local"

Question

I cannot get the "Over The Air" installation of iOS apps to work using the latest version of macOS (10.12.5) and Xcode Server (5.3.1). I can create Xcode Bots and the integrate without any issue, but it always fails with "cannot connect to server.local" when trying to install the app from any device. The "Xcode Server OTA Installation" profile is installed. I can download the archive and product using Safari on the Mac without a problem. In summary, everything work but the OTA installation always fails.

Tried on two different Macs already, also with a complete clean installation of macOS before.

Versions: macOS 10.12.5, Xcode 8.3.2 and Server 5.3.1

I found several old reports of this problem but all the workarounds didn't seem to help.

Same problem on Xcode 9 beta 1 with the now built-in Xcode server.

Rabbitry

Is your server name really "server.local"? – Millesimal

no, it's actually "ci.local" but tried it on other computers with different names as well. same issue. the error message is "cannot connect to ci.local" or whatever the server name is. – Rabbitry

Ah alright, just wanted to get the obvious out of the way; I'll assume the certs you've created are all ci.local too... – Millesimal

It's a self-signed certificate created by the Xcode server. I did not create any certificates myself. – Rabbitry

Can you check if either the certificate has expired or is using SHA-1? – Preceptory

And the same problem on a complete clean install of macOS 10.12 with Xcode 9 and the (now built-in) Xcode server ... – Rabbitry

Try a fresh re-installation – Duckling

Answer 1

For iOS 10.3 and later, a reason why fails, in some cases, with "Cannot connect to *.local" is that self-signed certificate shall be trusted manually in Settings on test devices (eg. iPhone).

Steps as follow:

1. Install self-signed certificate(s) from Xcode server's bots page on your iPhone;
2. Go to iPhone's Settings->General->About->Certificate Trust Settings;
3. Find your server's self-signed certificate(s) under section ENABLE FULL TRUST FOR ROOT CERTIFICATES, and turn the switch ON;
4. Visit bots page on Xcode Server, click install.

Briefing

Answer 2

My SSL certificate had expired thats why happened to me. Make sure you add that to the list of things to check. Once I renewed that it started working again.

Ideology

self-signed certificate or one from certain authority? – Briefing

You can create self-signed certificate – Ideology

Try this: - use another email account on the iPhone - email the self signed (root) certificate to your mail account on the phone - open the email and tap the attachment (cert) - tap install on the top right hand corner and complete installation – Ideology

It might help not sure – Ideology

My problem is the same as @slurmomatic, brand new installed macOS Server with auto-created self-signed certificate (no way to be expired), but doesn't work. (My macOS server is deployed in a local network.) – Briefing

Answer 3

I had this issue on Xcode9 GM. I have installed profile on the Xcode server page and trust the profile. Is this a signing error? I use "export: installable product" for server bot.

Forbear