Error message when you upgrade Remote Desktop Web Access to the released version in Windows Server 2008 R2: "Could not load file or assembly 'tsportalwebpart (1)' or one of its dependencies"

Source: Microsoft Support

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You upgrade Remote Desktop Web Access�to the released version�in�Windows Server 2008 R2. The link to RD Web Access does not directly bring up the web page.

When you start RD Web Access, you may see one or more of the following issues:

1.��� Issue 1: The link takes you to the default �Internet Explorer could not load this page� error.

2.��� Issue 2: You see the following error:

Could not load file or assembly 'tsportalwebpart (1)' or one of its dependencies.

This happens when you upgrade from the RC or IDS version to the RTM version of WS08 R2.

For issue 1: To resolve this issue, you must do the following:�
��������� Change the deployed certificate
To do this, follow these steps:�
����1. In Internet Information Services (IIS) Manager, expand Default Web Sites in the left side pane.�
����2. In the right side pane, click Bindings.�
����3. Double-click the HTTPS box that appears in the dialog box.�
����4. In the next dialog box that appears, a certificate is selected in the SSL section. Click to on the dropdown list of certificates, and then click to select the other certificate that is shown.�
����5. Exit IIS Manager.�
For issue 2: To resolve this issue, do one the following:�
��������� Delete the tsportalwebpart (1).dll file�
��������� Alternately, you can rename the tsportalwebpart(1).dll to any extension other than a .dll (for eg. tsportalwebpart(1).bak).
(The tsportalwebpart(1).dll file can be found at %WINDIR%\Web\RDWeb\Pages\Bin)

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