Problem with linked server on itself

HI ALL
I got SQL Server 2000 SQL1 and in linked servers i make server SQL2 witch looking at itseft (SQL1)...looks like loopback
I need this for debuging. In real system i got 2 servers
When i start transaction in server SQL01 and do some work with linked server SQL2 i got message
"The operation could not be performed because the OLE DB provider 'SQLOLEDB' was unable to begin a distributed transaction.
[OLE/DB provider returned message: New transaction cannot enlist in the specified transaction coordinator. ]
OLE DB error trace [OLE/DB Provider 'SQLOLEDB' ITransactionJoin::JoinTransaction returned 0x8004d00a].
All options for distributing is on
When i do the same in real system with 2 different servers all do fine
Do this mean that in one server this is not work
Sample
BEGIN TRANSACTION
INSERT INTO SQL1.Base.dbo.Table(Field)
SELECT some
FROM LocalTable
COMMIT TRANSACTIO
Thank U ALL
In Russian
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"The operation could not be performed because the OLE DB provider 'SQLOLEDB' was unable to begin a distributed transaction.
[OLE/DB provider returned message: New transaction cannot enlist in the specified transaction coordinator. ]
OLE DB error trace [OLE/DB Provider 'SQLOLEDB' ITransactionJoin::JoinTransaction returned 0x8004d00a]."
Ð?Ñ?ли Ñ?Ñ?о два Ñ?азнÑ?Ñ? Ñ?еÑ?вака, Ñ?о вÑ?е Ñ?абоÑ?аеÑ? ок. Чо за на? Ð?Ñ?еÑ?еднаÑ? Ñ?иÑ?а Ð?ила, Ñ?ипа Ñ?ам Ñ? Ñ?абой не можеÑ'
Ð?аÑ?анее Ñ?паÑ?ибо.This is not supported.
This is from http://support.microsoft.com/?id=306215:
Check whether the object on the destination server refers back to the
first server. This is what is known as a loopback situation. This is
not supported, as documented in SQL Server Books Online. For more
information, visit the following Microsoft Web site:
http://msdn.microsoft.com/library/en-us/acdata/ac_8_qd_12_2kvm.asp:
Loopback Linked Servers
Rand
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