Sql 2005 vs Brightstor r11.1 SPK 2

Last week I installed 2003 sbs prem on two different servers, a Fujitsu-Siemens Econel 200 and a Primergy TX 200 S3. All went well until I installed Brightstor r11.1. I started receiving errors in my application events:
Error: 18456, Severity: 14, State: 8.
Logon Login failed for user ‘‘. [CLIENT: