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Computer may not work with an alias name

Connecting to SMB share on a Windows 2000-based computer or a Windows Server 2003-based computer may not work with an alias name

SYMPTOMS

When a client computer connects to a Microsoft Windows 2000-based computer or a Microsoft Windows Server 2003-based computer by using an alias name, the client may receive the following error message:
System error 52 has occurred.
A duplicate name exists on the network.

CAUSE

This problem can occur when you try to connect to the server by using a CNAME alias that is created in the DNS zone. For example, this problem may occur with a command similar to the following sample command
net view \\alias.domain name.com

where alias is a CNAME record that is created for the server in the domain name.com zone. The server is not “listening” on the alias, and therefore is not accepting connections to that name.

RESOLUTION

Windows 2000 Server

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
To resolve this problem, obtain and install the latest Windows 2000 service pack, and then edit the registry.To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 (http://support.microsoft.com/kb/260910/EN-US/) How to Obtain the Latest Windows 2000 Service Pack
The English version of this fix should have the following file attributes or later:

   Date         Time   Version        Size       File name   

    ———————————————————-
02-Jul-2001  22:52  5.0.2195.3804  1,685,632  Ntkrnlmp.exe
02-Jul-2001  22:53  5.0.2195.3804  1,685,312  Ntkrnlpa.exe
02-Jul-2001  22:53  5.0.2195.3804  1,705,984  Ntkrpamp.exe
02-Jul-2001  22:51  5.0.2195.3804  1,663,424  Ntoskrnl.exe
02-Jul-2001  23:44  5.0.2195.3805    237,072  Srv.sys
02-Jul-2001  23:53  5.0.2195.3805     73,488  Srvsvc.dll
Additionally, to resolve this problemin Windows 2000 Server you must complete all of the following steps:
1. Create the CNAME record for the file server on the appropriate DNS server, if the CNAME record is not already present.
2. Apply the hotfix to the computer for which the CNAME record was created, not the DNS server. (Unless the DNS server and file server in question is the same computer, and then all of the changes is applied is to that server.) This hotfix affects the LAN Manager Server Service and does not affect DNS functionality.
3. Apply the following registry change to the file server to which you installed the hotfix. To do so:
a. Start Registry Editor (Regedt32.exe).
b. Locate and click the following key in the registry:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\LanmanServer\Parameters
c. On the Edit menu, click Add Value, and then add the following registry value:
Value name: DisableStrictNameChecking
Data type: REG_DWORD
Radix: Decimal
Value: 1
d. Quit Registry Editor.
4. Restart your computer.

Windows Server 2003

To resolve this problem in Windows Server 2003, complete the following steps:

1. Create the CNAME record for the file server on the appropriate DNS server, if the CNAME record is not already present.
2. Apply the following registry change to the file server. To do so, follow these steps:
a. Start Registry Editor (Regedt32.exe).
b. Locate and click the following key in the registry:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\LanmanServer\Parameters
c. On the Edit menu, click Add Value, and then add the following registry value:
Value name: DisableStrictNameChecking
Data type: REG_DWORD
Radix: Decimal
Value: 1
d. Quit Registry Editor.
3. Restart your computer.

For some computer that has used DNS suffix, after restart computer, you must run this command

ipconfig /registerdns

And now, plz try log on CNAME again.

 

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