Shadowing a Remote Desktop Session with FQDN may fail

Article ID: 2634832 - View products that this article applies to.
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SYMPTOMS

You try to assist another user on a Remote Desktop Session (RDS) Host by shadowing his session. This can be done with various tools like "Remote Desktop Services Manager" or shadow.exe from a command line. When the Fully Qualified Domain Name (FQDN) of the RDS Host is used, the attempt may fail with one of the following errors.

Access Denied

or

Remote control failed. Error code 87
Error [87]:The parameter is incorrect.

CAUSE

During shadowing the Computername (15 characaters) is compared to the given name, and in case of a FQDN the names are different.

WORKAROUND

When using command line tools, specify the computer name and not the FQDN.

Example: use "shadow 3 /v:RDSHost1" and not "shadow 2 /v:RDSHost1.contoso.com"

When using "Remote Desktop Services Manager", the FQDN may be displayed by default. In that case add the desired Computer in a own group like "My Group" and specify the Computername only.

Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

Properties

Article ID: 2634832 - Last Review: October 20, 2011 - Revision: 1.0
APPLIES TO
  • Windows Server 2008 Foundation
  • Windows Server 2008 Standard
  • Windows Server 2008 Standard without Hyper-V
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Enterprise without Hyper-V
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Datacenter without Hyper-V
  • Windows Server 2008 for Itanium-Based Systems
  • Windows Server 2008 Service Pack 2
  • Windows Server 2008 R2 Foundation
  • Windows Server 2008 R2 Standard
  • Windows Server 2008 R2 Standard without Hyper-V
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 Enterprise without Hyper-V
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Datacenter without Hyper-V
  • Windows Server 2008 R2 for Itanium-Based Systems
  • Windows Server 2008 R2 Service Pack 1
Keywords: 
KB2634832

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