Specify a valid name for the custom package share that uses no more than 127 characters and does not include any of the following: ...

Specify a valid name for the custom package share that uses no more than 127 characters and does not include any of the following:  " / \ [ ] : | < > + = ; , ? *

When you specify a share name and folder name, you can use no more than 80 characters for each. For example:

ShareName
ShareName\FolderName