[Windows] failed to load beer sample in initial setup

Install couchbase server 3.0.0-881 on one node
Go through initial setup with beer-sample and gamesim-sample.
Couchbase server failed to load keys to beer-sample and gamesim-sample
Error:

Loading sample bucket gamesim-sample failed: eacces samples_loader_tasks000 ns_1@127.0.0.1 16:31:14 - Thu Jun 26, 2014
Loading sample bucket beer-sample failed: eacces samples_loader_tasks000 ns_1@127.0.0.1 16:31:14 - Thu Jun 26, 2014
Bucket "gamesim-sample" loaded on node 'ns_1@127.0.0.1' in 0 seconds. ns_memcached000 ns_1@127.0.0.1 16:31:13 - Thu Jun 26, 2014
Bucket "beer-sample" loaded on node 'ns_1@127.0.0.1' in 0 seconds. ns_memcached000 ns_1@127.0.0.1 16:31:13 - Thu Jun 26, 2014
Bucket "default" loaded on node 'ns_1@127.0.0.1' in 0 seconds. ns_memcached000 ns_1@127.0.0.1 16:31:12 - Thu Jun 26, 2014