Fire up SQL management studio express, and run this query:

DECLARE
@DisplayName VARCHAR(256),
@Authentication VARCHAR(256),
@AuthenticatorTypeId INT,
@AuthenticatorInstanceId INT,
@ExternalAuthenticatorId VARCHAR(255),
@EncryptedPassword VARCHAR(256)

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SET @DisplayName = ‘System Administrator’ — Display name (Not always used)
SET @Authentication = ‘BAS’ — ‘BAS’ for BAS authentication
SET @EncryptedPassword = ‘7B7ECF0DAF70D040345D8DD92607E274969F4BA5DFDFAEAC5DE775E5340CDF605D5762EC5D326498ADBE72E7434897025A8702D0237046F554DBCA5769B90154:7637B189’ — Encrypted string of password ‘blackberry’

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IF @Authentication LIKE ‘BAS’
BEGIN
SET @AuthenticatorTypeId = 0 — Set to 0 for BAS
SET @AuthenticatorInstanceId = 0 — Set to 0 for BAS
SET @ExternalAuthenticatorId = NULL

IF NOT EXISTS (SELECT * FROM BASUsers WHERE LoginName = ‘admin’)
EXEC SetUpBASorADAuthentication @DisplayName, @AuthenticatorTypeId, @AuthenticatorInstanceId, @ExternalAuthenticatorId, @EncryptedPassword
ELSE
UPDATE BASUsers
SET LoginPassword = @EncryptedPassword
WHERE (LoginName = ‘admin’)

END
GO