Solved! Go to Solution.
Here are a couple things you can try when troubleshooting this:
1. Use FQDN or IP address (as Akhil mentioned).
2. Are your features in the SDE 'Registered as Versioned'?
3. If Feature Access is enabled, are you able to edit in arcgis.com or a web app?
4. Try the desktop version of the Mobile application instead of the device (or vice versa).
.....
If all else fails, log a Tech Support ticket!
Here are a couple things you can try when troubleshooting this:
1. Use FQDN or IP address (as Akhil mentioned).
2. Are your features in the SDE 'Registered as Versioned'?
3. If Feature Access is enabled, are you able to edit in arcgis.com or a web app?
4. Try the desktop version of the Mobile application instead of the device (or vice versa).
.....
If all else fails, log a Tech Support ticket!