@untitaker, thanks for finding the duplicate.
@onny Please follow up in #578 and the linked OwnCloud issue report.
Davdroid is unable to contact with owncloud calendar.
0_1451112603719_davdroid-debug980229518.txt Check uploaded file for debug info.
As you can see in the logs, the TCP connections have been refused. This is a server or firewall problem and very likely not a problem of DAVdroid. Please contact your administrator, or if you are the administrator, fix the network problems.