# Lose settings when changing service user account **URL:** \ **Category:** Support\ **Created:** [July 25, 2018, 11:38am UTC](https://forum.duplicati.com/t/lose-settings-when-changing-service-user-account/4212 "2018-07-25T11:38:02Z")\ **Posts on this page:** 1\ **Showing post:** 6
**Author:** ![TPSMono](https://forum.duplicati.com/user_avatar/forum.duplicati.com/tpsmono/32/2100_2.png) [@TPSMono](https://forum.duplicati.com/u/TPSMono)\ **Post date:** [October 25, 2018, 3:36am UTC](https://forum.duplicati.com/t/lose-settings-when-changing-service-user-account/4212/6 "2018-10-25T03:36:40Z")
> [@cvanelli](#): > > Duplicati says the UNC path “location does not exist”. Any ideas on a fix for that? This means the user who is running the Duplicati service does not have read access to the UNC path you entered. Since it is running as a service, it is running in its own user session. It sounds like you may have permissions to access the UNC path while logged in as yourself, you likely have the credentials to access the UNC path cached in Windows Credential Manager so maybe you are not getting a logon prompt, but this UNC path may need credentials to access. Duplicati does not support username/password for a UNC path as a Source, it only has those options for a UNC path as a destination. Here is another post I made a while back for someone having similar issues as yourself, this is most likely what you will need to do in order to backup a UNC source that requires credentials to access: > [@Choosing different drive letter](https://forum.duplicati.com/t/choosing-different-drive-letter/4485/5): > > In my earlier reply, I mentioned that you will want to backup the true source. For best results, you really want to be running Duplicati on \\computer itself to back up those files from the devices physically attached to \\computer and not your current workstation. So what if \\computer is a NAS device with no OS to run apps or maybe you do not control \\computer so you can’t install software there? In those cases, you will want to backup the path \\computer\share\ not the drive letter. Duplica… --- _[View the full topic](https://forum.duplicati.com/t/lose-settings-when-changing-service-user-account/4212)._