UNC Path using DNS alias (CNAME) on local server doesn't work

[GeorgeD]

I have many windows server 2003 servers. On all of our file shares/SQL
servers we use CNAMES for easy DR changes and testing. Primarily we
only use DNS aliases from clients to the servers
We installed a new app that has a database of UNC locations. The app
uses these locations to do some file copies. The problem seems to be
that the server itself cannot access the \\myalias\myshare from
itself. Extremely strange.
When i try to go to run and type this UNC path using the alias on the
server itself i get prompted with a username/password dialog. Any
credentials i enter here fail.

we apply the disablestrictnamecheck registry fix to all our servers.

any ideas? SPN related, trying to find a free server to test this on.

thanks for any help.

[GeorgeD]

This post might be inappropriate. Click to display it.

[Bob Dobbs]

Thanks, That worked for be on a Windows 2000 sp4 advanced server.

Post by GeorgeD
I have many windows server 2003 servers. On all of our file shares/SQL
servers we use CNAMES for easy DR changes and testing. Primarily we
only use DNS aliases from clients to the servers
We installed a new app that has a database of UNC locations. The app
uses these locations to do some file copies. The problem seems to be
that the server itself cannot access the \\myalias\myshare from
itself. Extremely strange.
When i try to go to run and type this UNC path using the alias on the
server itself i get prompted with a username/password dialog. Any
credentials i enter here fail.
we apply the disablestrictnamecheck registry fix to all our servers.
any ideas? SPN related, trying to find a free server to test this on.
thanks for any help.

Post by GeorgeD
issue is this..
http://support.microsoft.com/kb/926642
used method 2, could not get method 1 to work
1. Click Start, click Run, type regedit, and then click OK.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa
3. Right-click Lsa, point to New, and then click DWORD Value.
4. Type DisableLoopbackCheck, and then press ENTER.
5. Right-click DisableLoopbackCheck, and then click Modify.
6. In the Value data box, type 1, and then click OK.
7. Exit Registry Editor.
8. Restart the computer.
- i didnt need to restart to get this working surprisingly.
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[Bob Dobbs]

Thanks, That worked for be on a Windows 2000 sp4 advanced server.

Post by GeorgeD
I have many windows server 2003 servers. On all of our file shares/SQL
servers we use CNAMES for easy DR changes and testing. Primarily we
only use DNS aliases from clients to the servers
We installed a new app that has a database of UNC locations. The app
uses these locations to do some file copies. The problem seems to be
that the server itself cannot access the \\myalias\myshare from
itself. Extremely strange.
When i try to go to run and type this UNC path using the alias on the
server itself i get prompted with a username/password dialog. Any
credentials i enter here fail.
we apply the disablestrictnamecheck registry fix to all our servers.
any ideas? SPN related, trying to find a free server to test this on.
thanks for any help.

Post by GeorgeD
issue is this..
http://support.microsoft.com/kb/926642
used method 2, could not get method 1 to work
1. Click Start, click Run, type regedit, and then click OK.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa
3. Right-click Lsa, point to New, and then click DWORD Value.
4. Type DisableLoopbackCheck, and then press ENTER.
5. Right-click DisableLoopbackCheck, and then click Modify.
6. In the Value data box, type 1, and then click OK.
7. Exit Registry Editor.
8. Restart the computer.
- i didnt need to restart to get this working surprisingly.

Post by Bob Dobbs
Thanks, That worked for be on a Windows 2000 sp4 advanced server.
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