You will want to make sure that the path for the library location starts at Drive (windows) or disc mount point or root of your access. If the path does not specify such then you would get a path relative to a possibly changing disc location, such as where SAS is executing, and not where you intend.   Also you need to have permission to read that location and if you want to create data sets write permissions.   If your SAS session is running from a server the path needs to be as the SAS server sees things. Which means that it may not see your local hard drive. ... View more