If you have a password protected SSIS package you may encounter this error.
First off this seems like a very buggy problem and the solution may not work for everyone. Also, as typical, you may find that you are trying to solve more than one problem at once, for instances going from one domain to another seems to confuse matters. So if this solution doesn’t work it may be just part of the solution to your particular puzzle.
If you go to the job step properties you actually see that there are two spaces between /DECRYPT and /CHECKPOINTING.
If you reduce the space to one and run the job again you might get this error:
“Enter decryption password: Missing argument for option “decrypt””
This is because you’ve removed the password from the job associated with the package.
I’ve found that when you edit the command manually by first removing the spaces and then retyping the command with the package password this solves the error.
/DECRYPT YourPackagePassword /CHECKPOINTING
If this doesn’t work try scripting out the job, deleting it, and then running the script again.