Spring Roo automatic add-on discovery service currently unavailable

Hi
I am following the instructions from Getting Started with Roo
I have entered the following commands
1) Open the IDE
2) File > New > Spring Roo Project
3) roo> persistence setup --database H2_IN_MEMORY --provider HIBERNATE
4) roo> ent --class ~.Customer
Command 'ent --class ~.Customer' not found (for assistance press CTRL+SPACE or type "hint" then hit ENTER)
Spring Roo automatic add-on discovery service currently unavailable

5) From Eclipse > Preferences > Springsource > USer Agent Analysis
{
"installation_id": "41a2e3ae-6502-4950-bb00-11fed52c9ea2",
"privacy_level": "ENABLE_UAA",
"privacy_level_last_changed": "2013-04-30 13:34:53",
"usage_data": {
"user_country": "US",
"user_language": "en",
"product_use": [
{
"product_name": "Eclipse",
"product_last_used": "2013-04-30 14:43:56",
"product_version": "3.8.0.v20120521-2346",
"feature_use": [
{
"feature_name": "org.eclipse.ui",
"feature_last_used": "2013-04-30 14:43:56",
"feature_version": "3.8.2.v20121018-234953",
"feature_data_json":

{ "command": "Preferences" }

}
]
},

{ "product_name": "Linux amd64", "product_last_used": "2013-04-30 14:53:44", "product_version": "3.2.0.40-generic" }

,

{ "product_name": "Oracle Corporation Java(TM) SE Runtime Environment", "product_last_used": "2013-04-30 14:53:44", "product_version": "1.7.0.04-b20" }

,
{
"product_name": "Spring Roo",
"product_last_used": "2013-04-30 14:43:32",
"product_version": "1.2.3.RELEASE (rev 7fd62b6b12865f37c977b4658e7fca615f63a1a5)",
"feature_use": [

{ "feature_name": "org.springframework.roo.uaa", "feature_last_used": "2013-04-30 14:43:32", "feature_version": "1.2.3.RELEASE (rev 7fd62b6b12865f37c977b4658e7fca615f63a1a5)" }

]
},

{ "product_name": "Spring UAA", "product_last_used": "2013-04-30 14:53:44", "product_version": "1.0.3.RELEASE (rev e0f386ae02874b407cb3888b721b5b306ec01cfb)" }

,

{ "product_name": "Spring UAA", "product_last_used": "2013-04-30 14:43:32", "product_version": "1.0.2.RELEASE (rev 397b58fdd25a716f722d7c70ee15a8a27af95ef9)" }

]
}
}
Jamie