Using RemoteApp - Unable to save an Excel File on a drive (mapped on the workstation) - \\tsClient\H

On some workstations using RemoteApp, I'm getting the error message while trying to save a Excel file on our HomeDrive (H).
Why ?
François VDCIcT service DeskAsked:
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Philip ElderTechnical Architect - HA/Compute/StorageCommented:
There's something wrong with those mappings. \\TSClient is the local session host.

UNC should be \\ServerName\HomeFolder or something like that. Group Policy Preferences can be used to set mapped drives along with Active Directory Users and Computers
François VDCIcT service DeskAuthor Commented:
OK Tks.
How to achieve this in this context of RemoteApp. I'm quite OK with GPO's but not with GPO"s with Remote App. Could you give me a hint?

Philip ElderTechnical Architect - HA/Compute/StorageCommented:
RemoteApp is no different than a desktop session host or sitting at one's desk. The user should receive the same Group Policy settings that are defined against their resident OU if that's how things are set up there.

We assign users their mapped drives via Group Policy Preferences with the GPO linked and enforced against the OU they are resident in.

For RD Session Host and dedicated RemoteApp servers Loopback can be used to customize permissions for users logging in to those machines. Be careful with this one.
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François VDCIcT service DeskAuthor Commented:
Hello again,
How to avoid to present \\TSClient mapping with RDP ?
Philip ElderTechnical Architect - HA/Compute/StorageCommented:
Disable drive redirection for incoming RDP connections and make sure the user's mapped drives are done in Group Policy Preferences.

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François VDCIcT service DeskAuthor Commented:
already done on the management server. does not change anything.
Philip ElderTechnical Architect - HA/Compute/StorageCommented:
That's the first part. Check the mapping in Group Policy Preferences.
François VDCIcT service DeskAuthor Commented:
This is the part in the GPO (Computer Configuration)
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Windows Server 2012

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