You receive a "The client could not establish a connection to the remote computer" error message when you try to establish a remote desktop connection to a Windows XP-based computer (321624)

SYMPTOMS

When you try to use a Microsoft Windows XP-based computer to establish a remote desktop connection to a Windows XP-based computer that has the remote desktop connection installed, the connection may not succeed, and the client computer may receive the following error message:

The client could not establish a connection to the remote computer.

The most likely causes for this error are:
1) Remote connections might not be enabled at the remote computer.
2) The maximum number of connections was exceeded at the remote computer.
3) A network error occurred while establishing the connection.

Also, the following error may be logged in the application event log on the remote computer:Event Type: Error
Event Source: TermService
Event Category: None
Event ID: 1036
Date: 1/2/2002
Computer: Computer Name
Description: Terminal server session creation failed. The relevant status code was 0xc0000022

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

322389 How to obtain the latest Windows XP service pack

Hotfix information

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Windows XP service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
The English version of this hotfix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

Microsoft Windows XP, 64-Bit Edition
   Date         Time   Version            Size    File name        Platform
   ------------------------------------------------------------------------
   23-Apr-2002  21:43  5.1.2600.43       616,960  Termsrv.dll      IA-64

Microsoft Windows XP, 32-bit editions
   Date         Time   Version            Size    File name        Platform
   ------------------------------------------------------------------------
   23-Apr-2002  21:43  5.1.2600.43       198,144  Termsrv.dll      x86