Powershell / Command prompt cannot switch to mapped drive when running as another use

in my powershell prompt, logged into a Windows 10 PC as DomainUserA i can run the net use command to see my shared drives

net use

lists

+--------+-------+----------------+---------------------------+
| Status | local |     Remote     |          Network          |
+--------+-------+----------------+---------------------------+
| OK     | H:    | \server1path | Microsoft Windows Network |
| OK     | I:    | \server2path | Microsoft Windows Network |
+--------+-------+----------------+---------------------------+

i can then run

i:

and the prompt switches to I:>

however, If I run the powershell prompt as DomainUserB and run the net use comand

I get

+-------------+-------+----------------+---------------------------+
|   Status    | local |     Remote     |          Network          |
+-------------+-------+----------------+---------------------------+
| Unavailable | H:    | \server1path | Microsoft Windows Network |
| Unavailable | I:    | \server2path | Microsoft Windows Network |
| Unavailable | Z:    | \server3path | Microsoft Windows Network |
+-------------+-------+----------------+---------------------------+

as this profile has the same H: and I: drive as the first one but also a z: drive.

if i then run

I:

I get Set-Location : Cannot find drive. A drive with the name 'I' does not exist

I can perform the same process in command prompt and i get the same result , although with command prompt’s version of the error: The system cannot find the drive specified

If I run a GUI based program such as notepad as DomainUserB and do a File>Open, I can see the i: drive in the explorer pane and open it and select a file

This happens with all of the mapped drives

why can i not change directory to the mapped drive using when running Powershell / command prompt as the DomainuserB