You need to use a UNC path like \\SERVER\Folder and you need to make sure that the user running the QlikView Services has access to that folder (you may see that folder as your user, but if you log on to the Server as the QlikView administrator account, you may not see it).
Actually I have installed QV publisher pdf in my test server and myself as an administrator has all rights associated with the test server,the pdf also stores properly in the folder specified with in the test server,
and i have mapped this test server(Z to the production server (which has QV 11 server and QV11 desktop installed)
And in QMC-->mytask-->Distribution tab-->Distribution to Folder-->Path-->My Network Places->(here i can able to see only the domain names of my network servers and it is not showing any folders associated inside that server)
that is the reason iam not able to fetch any particular folder to store the pdf inside the network server
i have manually restarted the distribution services in test server ,but in production i havent restarted the services
Did you share the folder that is mapped to the drive Z: so you can access it using \\SERVERNAME\Foldername ? Note that it's not the same mapping a folder to a drive that sharing a folder in the network (with permissions to read and write if collaboration is enabled).
Miguel is correct. You can't use a mapped drive. This is an OS limitation and Qlikview. Service Accounts do not understand drive mapping and only UNC paths. So, if you are trying to use a mapped drive you will have issues.