Error: "Cannot Connect to the Citrix Server: The Citrix Server you have selected is not accepting co

RoyATokeshi
February 22, 2004 9:18 am

Citrix states in their article: CTX127867

CTX127867 - Error: "Cannot Connect to the Citrix Server: The Citrix Server you have selected is not accepting connections."

This document was published at: http://support.citrix.com/kb/entry.jspa?externalID=CTX127867

Document ID: CTX127867, Created on: Mar 29, 2002, Updated: Jun 7, 2003

Products: Citrix MetaFrame XP 1.0 for Microsoft Windows 2000

Check Registry for WDICA key

Symtoms

1. Unable to telnet to port 1494. Connecting to servername. Could not open a connection to host on port 1494: Connect failed.

2. NetStat -a does not show the server listening on port 1494.

3. A Microsoft RDP connection works.

4. Idle sessions are available and the ICA listener is created and enabled.

Reproducible Steps

1. Run regedt32.

2. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WDICA.

3. Save the key.

4. Delete the key.

5. Reboot the server.

6. Make a custom ICA connection to the server IP address.

Resolution

1. Run regedt32.

2. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services.

3. Create a key named WDICA.

4. Manually add the following values:

ErrorControl: REG_DWORD : 0

Start: REG_DWORD : 0x3

Type: REG_DWORD : 0x1

5. Reboot the server.

6. During the reboot of the server in step 5, a subkey named Enum will be created with the following values.

0 : REG_SZ : Root\LEGACY_WDICA\0000

Count : REG_DWORD : 0x1

NextInstance : REG_DWORD : 0x1

7. Make a Custom ICA Connection to the servers IP address.

If the above steps do not resolve the issue, check for the existence of HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_WDICA and its subkeys. You may need to add permissions to this key in order to save and restore the key from a working server. When this key is manually deleted and the server is rebooted, the key should regenerate itself. If the key does not automatically regenerate itself, you can restore a copy of this key from a known good server or manually create the entries. When replacing this key with a copy of the key from another server it is necessary to navigate to the following location:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_WDICA\0000\Control

Delete the data of the following value located within the above referenced key and then reboot the server:

"DeviceReference"=dword:8188fd10

Upon reboot the data should repopulate.

NOTE: The cause for the disappearance or corruption of these registry keys is currently unknown.



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