I cannot install an Agent through GPO

If you would like to install Agents through GPO, make sure that MSI package you want to use is created as follows:

1. In Master Console choose Tools > Customize agent installation package.
2. In the creator, choose Edit existing package option and insert the package named as agent_NO_NET 
3. Insert server parameters 
4. Choose the target path of the package 
5. Click Finish to proceed with using the package.