From an Accelerator client workstation with internet access download and run the following utility:

http://oasupport.com/guide/additional_Info/cert/acccert.exe
 

1. From the Accelerator Certification Utility, enter your 'Account Name' and 'Password' (Provided in Email) and click the |Change Password| button.  Enter a new password. 
   
   
    
2. Click the |Perform Certification| button.