Hey!
Could you please provide more detailed information?
Meanwhile you can try below troubleshooting steps :-
- Verify that the bootstrap.ini file is correct and that the settings match your environment.
- Ensure that the Deployment Share and Deployment Share folder have the correct permissions.
- Make sure that the Deployment Share and Deployment Share folder are reachable from the client machine
- Ensure that the Deployment Share and Deployment Share folder are not in use by another process or another instance of MDT.
- check the network connectivity and DNS resolution
- check the deployment share's logs and client machine's smsts.log for more information
- Check if the serial number variable is being passed correctly