Failed to Deploy OVF Package. The task was canceled by a user

I'm trying to import a virtual machine into vmware ESXi5 using vSphere. TO do this I'm using "Deploy OVF template".

I've loaded into datastore all needed files:

/vmfs/volumes/50ed9690-d64f6aba-e535-ac162d6f711c/Iso repository/OSP_Image # ls -ltr

-rw-r--r--    1 root     root           145 Apr 18 10:32 VMOSP21(OSP5.0).mf

-rw-r--r--    1 root     root          8536 Apr 18 10:32 VMOSP21(OSP5.0).ovf

-rw-r--r--    1 root     root     42738258944 May  7 09:47 VMOSP21(OSP5.0)-disk1.vmdk

/vmfs/volumes/50ed9690-d64f6aba-e535-ac162d6f711c/Iso repository/OSP_Image #

I've set the correct path into "Deploy from e file or URL" and after clicking on next button, and waited for various minutes (I think due to a big size of the ovf package) I got the following screen:

Then I clicked Next and leave all the option as is:

Network left as default values and at the end I got the following summarizing screen:

Clicking on finish I got the following error after 3-4 seconds:

Maybe it is sue to a big vmdk file?  Is there any timeout to be set into vsphere?

Thanks

Massimo