Make sure you meet the following system requirements. You can download a test script here. Upload it to your server and run it. It will test your system if it meets the system requirements.
Type
|
Required
|
Recommended
|
Operating System
|
Linux, BSD, UNIX, Mac OS X, Windows
|
Linux
|
Webserver
|
Apache,nginx,IIS
|
Apache
|
Programming language
|
PHP > 5.3
|
Latest stable
|
Database server
|
MySQL > 5.0
|
Latest stable
|
Other tools
|
libwbxml2 >= 0.9.2 for en-/decoding WBXML (Only required if you use SyncML synchronization)
|
0.9.2
|
Client software
Type
|
Clients
|
Browser
|
IE7+, Firefox 2+, Chrome, Opera and Safari
|
Calendar/CalDAV
|
Mac OS X, Thunderbird
|
File access / WebDAV
|
Linux, Mac OS X, Windows
|
Sync
|
iPhone, Android, Windows Mobile, Blackberry
|