I did revalidate OSD and all ok.
what do you mean you valiated OSD
Log on to the LANDesk Console on the server and go to Configure; Services; OSD Deployment. Click on the button labeled OSD Validation, then select Validate Now. You will have to validate both the DOS and WinPE environments.
WinPE Validation, click on WinPE Validation and browse WAIK.
Thanks guys, I had a similar problem and this post solved my problem.
Good solution, Tx for your help.
Just another info, it is necessary to re-deploy PXE representative after the re-validation
I am having the same issue however my WinPE license is validated already. How can I try re-validating?