http://support.microsoft.com/support/kb/articles/Q242/0/22.ASP

> -----Original Message-----
> From: Rune Christensen 8397 [SMTP:RCRUBICON.NO]
> Sent: Thursday, July 05, 2001 11:22 AM
> To: DCOMDISCUSS.MICROSOFT.COM
> Subject: Protocol search order for RPC
>
> Can someone please help me with these two questions?
>
> 1. Are there any known problems if a DCOM server has to communicate using
> UDP with one clients, and TCP with another client? On Win 2000 or Windows
> NT
> SP4.
> 2. What algorithm is used to decide on protocol between a DCOM client and
> server?
>
>
> We have some weird DCOM disconnection problems. Seems like the server to
> client ping for checking if client is alive sometimes fail.
>
> We have the following setup:
> Windows NT server with TCP (ncacn_ip_tcp) as first priority protocol, UDP
> as
> second.
> We have both Windows NT and Windows 2000 clients. Windows NT uses UDP as
> default, Windows 2000 TCP (UDP is not enabled at all).
>
>
>
> Hope someone can help.
>
> Regards,
> Rune Christensen
>
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