You can use Windows registry key settings to control client drive redirection behavior on a remote desktop.
The Windows registry settings that control client drive redirection behavior on a remote desktop are located in the following path:
TSDR
You can use the Windows Registry Editor on the remote desktop to edit local registry settings.
Note: Client drive redirection policies set with Smart Policies take precedence over local registry settings.
Deactivating Client Drive Redirection
To deactivate client drive redirection, create a new string value named disabled and set its value to true.
TSDR\disabled=true
The value is false (activated) by default.
Preventing Write or Read Access to Shared Folders
To prevent write access to all folders that are shared with the remote desktop, create a new string value named permissions and set its value to any string that begins with r, except for rw.
TSDR\permissions=r
To prevent read access, set the permissions value to any string that begins with w.
TSDR\permissions=w
The value is rw (all shared folders are readable and writeable) by default.
Sharing Specific Folders
To share specific folders with the remote desktop, create a new key named default shares and create a new subkey for each folder to share with the remote desktop. For each subkey, create a new string value named name and set its value to the path of the folder to share. The following example shares the folders C:\ebooks and C:\spreadsheets.
TSDR\default shares\f1\name=C:\ebooks TSDR\default shares\f2\name=C:\spreadsheets
If you set `name` to `*all`, all client drives are shared with the remote desktop. The `*all` setting is supported only on Windows client systems.
TSDR\default shares\1st\name=*all
To prevent the client from sharing additional folders \(that is, folders that are not specified with the `default shares` key\), create a string value named `ForcedByAdmin` and set its value to `true`.
TSDR\ForcedByAdmin=true
When the value is `true`, the Sharing dialog box does not appear when users connect to the remote desktop in Omnissa Horizon Client. The value is `false` \(clients can share additional folders\) by default.
The following example shares the folders `C:\ebooks` and `C:\spreadsheets`, makes both folders read-only, and prevents the client from sharing additional folders.
TSDR\ForcedByAdmin=true TSDR\permissions=r TSDR\default shares\f1\name=C:\ebooks TSDR\default shares\f2\name=C:\spreadsheets
**Note:** Do not use the `ForcedByAdmin` feature as a security feature or share control. A user can bypass the `ForcedByAdmin=true` setting by creating a link to an existing share that points to folders not specified with the `default shares` key.
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