I re-ran the InstallProvider.cmd file from an administrator command prompt and noticed it gave me the following message. I am using SQL Server 2008 Express RC2 and I have no way to get the Developer (not on MSDN) or Enteprise Editions.
Registering File Store Provider
SQL Server Instance: [HiddenServerName]\SQLEXPRESS
File Store Library Binary Location: C:\Binaries\
Data Location: L:\RBSFileStoreData\
SQL Remote Blob Storage Provider Installation Utility
Checking connection to database and installation state of RBS.
Current RBS State: 2
Checks to see if the blob store name <FileStoreProvider_1> is currently installe
Registering the provider configuration into the .NET machine.config file.
Add blob store with information:
RegistrationFile C:\Binaries\RegisterFileBlobStore.sql, BlobStoreName FileStore
Provider_1, Location c:\rbs_test_data.
Blob store type <File> cannot be use with this edition of SQL Server. Upgrade th
e server to Enterprise or Developer Edition.
Transaction count after EXECUTE indicates a mismatching number of BEGIN and COMM
IT statements. Previous count = 1, current count = 0.