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How to remove TS Web Access, TS RemoteApp logon cache credentials

There are two ways:

1. Through group policy object

2. Manually remove

Sometimes we want to remove the cache logon credentials for security reason. This is true when you have Terminal server service for your users available through a public terminal such as commonly used workstation and do not want the next user to use the previously logon credential. In this case you will need to use a GPO so that no credentials will be saved. However there are times when you want to allow users to save credentials and need to rectify the incorrect credentials information saved. For this you will then use the second method, manual removal.

To set the GPO, go to User Configuration and under Policies browse to Administrative Templates, Windows Components, Terminal Services, Remote Desktop Connection Client and enable the policy “Do not allow password to be saved”. With this setting, users will not able to save password and RDC will prompt for user input every time user tries to connect.

GPO-do-not-allow-passwords-to-be-saved
GPO-do-not-allow-passwords-to-be-saved

For manual removal of logon credentials particularly when you have TS Web Access, some users have their credentials saved by selecting the check box that says, “I am using a private computer that complies with my organization’s security policy. By selecting this option you can save your credentials so that they can be used in the future when connecting to these programs. Before you select this option, please ensure that saving your credentials is in compliance with your organization’s security policy.

When the next user invokes the terminal service session, he or she doesn’t have the choice to change the credentials.

rdc-logon-prompt
rdc-logon-prompt

Of course, you can uncheck the “I am using a private computer…” and get away with it, but the credentials are saved and you have to always fill in the credentials which sometimes very inconvenient. In order to change that, here are the steps:

1. Open Internet Explorer and go to serverxx.domainxx.com/ts and make sure the check box “I am using private computer…” is checked.

2. Fire up Remote Desktop Connection client and click the Options button to expand the window (if it is not already expanded).

3. Under Computer: field, type serverxx.domainxx.com. As soon as you have completed typing you will see text appear with edit and delete links, similar to following:

rdc-logon
rdc-logon

4.  Click edit and credentials update dialog box will popup. Make the necessary changes and hit OK.

The next time when the user connects it will reflect the correct logon credentials.

Note: If you want to remove it, just click delete on Step 4.

Auto Suggest and drop drown

In Remote desktop connection, when you type the server name, RDC will auto suggest and provide all previous connected server name in the drop down menu. Again, for security reason you can remove it by navigating to the following registry key:

HKCU\Software\Microsoft\Terminal Server Client\Default

All previously accessed servers are listed in MRUx order. MRUo, MRU1, … …
Removing the string value will essentially remove the corresponding entries in the drop down auto suggest feature.
terminal-server-rdc-registry
terminal-server-rdc-registry
However, if someone guess your server name, RDC will still auto complete the credentials. To remove the trace completely, navigate to the following registry key:
HKCU\Software\Microsoft\Terminal Server Client\Servers
Delete the desired subkeys. i.e. ServerA, ServerB, …
terminal-server-rdc-registry2
terminal-server-rdc-registry2
Stored Users and Passwords
Lastly, invoke the stored users and passwords by invoking the GUI interface.
1. Start–Run–enter the following:
rundll32 keymgr.dll,KRShowKeyMgr
2. Select each desired stored credential and use the Remove button to delete them.  Some entries may be for network resources, so delete cautiously.
XP-Stored user names and passwords
XP-Stored user names and passwords
Vista-Stored-User-Names-and-Passwords
Vista-Stored-User-Names-and-Passwords
Windows 7-Stored-User-Names-and-Passwords
Windows 7-Stored-User-Names-and-Passwords

With Vista, Windows 7 and Windows 2008 you will have the option to backup the settings.

I hope this article will provide you some useful insights.

By selecting this option you can save your credentials so that they can be used in the future when connecting to these programs. Before you select this option, please ensure that saving your credentials is in compliance with your organization’s security poli

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