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issue of DFS replication between Windows 2008 and 2003

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issue of DFS replication between Windows 2008 and 2003

Postby guest » Sat Jun 14, 2008 12:47 pm

DFS replication between (MO)Windows 2008 and (BO) Windows 2003 is not working. Event 5002 is logged on HOUINF001.

I appreciate your cooperation and efforts on this issue. I am glad to know
that you managed to resolve this issue by setting registry key
Server2003NegotiateDisable. This information has been added into our
database and I believe it will benefit Newsgroup readers and other
customers. Thank you.

Regarding your concerns:

1. Is there a group policy for this key:
No, there is no existing Group Policy for this registry key. This is
because Windows 2003 SP1 requires a hotfix KB899148 (Rpcrt4.dll) to disable
this RPC feature. Registry key Server2003NegotiateDisable will not work if
this DLL file is not updated.

However, I have contacted the product team. They confirmed that new RPC
features will be used in future products and they will develop Options to
control this feature so that administrators can control this according to
their network. However, there is no clear timeline that when this option
will be added into group policy. That's why this registry is categorized to
Policies in registry.

2. what Server2003NegotiateDisable affects:
Windows Server 2003 SP1 adds support for some new transfer syntaxes to the
RPC implementation. These new transfer syntaxes are known as "multiple
transfer syntax negotiation." They help 32-bit and 64-bit computers handle
larger workloads. Additionally, they frequently help 32-bit and 64-bit
computers work faster. Specifically, firewalls and VPN products that do
permit more than one presentation context to be present in a bound RPC
protocol data unit (PDU) may cause RPC connection problems.

To prevent this problem, we will disable this RPC "bind time negotiation
feature" until Firewall (include ISA) fully supports this feature.

For your reference, I have also included these links here:

Some firewalls may reject network traffic that originates from Windows
Server 2003 Service Pack 1-based or Windows Vista-based computers

The ISA Server RPC filter blocks RPC traffic after Windows Server 2003
Service Pack 1 is installed on a computer that is running ISA Server 2004
or ISA Server 2000
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