"Data protector 8.1 "Can not access Cell Manager for the First time,

Greeting's,

i have  newly installed   DP 8.1 on the server 2k8, Datacenter edition,  installation is completed successfully but when i try to connect to the cell manager  it says  "Insufficient permission, Access denied"

 have managed the account based on instruction:

1. Account is admins member,

2. account is backup operator member,

3. Account is granted  to log on  as Services 

any solution please !

Regards

Parsa