XADM: Exchange Setup Stops During Replication with a Server (159288)
The information in this article applies to:
- Microsoft Exchange Server 4.0
This article was previously published under Q159288 SYMPTOMS
With TCP\IP as the transport protocol, Microsoft Exchange Server Setup
appears to stop during the replication portion of setup that displays the
progress bar stating:
Replicating local site with server <servername>.
If the <servername> and "percentage completed" referenced in the message
does not increase over a period of approximately 15 minutes, Setup may
have stopped.
CAUSE
IP routers not conforming to RFC1191 may drop frames that:
- exceed the maximum MTU size for the "next hop."
- have the "don't fragment" flag set.
WORKAROUND
Microsoft Windows NT TCP provides a number of configurable features
designed to work around this router configuration limitation.
For explanations and workarounds, please see the following articles in the
Microsoft Knowledge Base:
159211 Diagnoses and Treatment of Black Hole Routers
136970 PMTU Black Hole Detection Algorithm Change for Windows NT 3.51
STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server
version 4.0. We are researching this problem and will post new information
here in the Microsoft Knowledge Base as it becomes available.
MORE INFORMATION
A network trace taken simultaneously on both the Setup server's segment and
the server listed as <servername> is the best way to determine that this is
indeed the issue.
Analysis of the trace may reveal that frames sent from the <servername>
computer do not arrive at the Setup server. Furthermore, no ICMP
diagnostic frames are returned to the <servername> computer from the
router.
Modification Type: | Minor | Last Reviewed: | 4/28/2005 |
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Keywords: | kbsetup KB159288 |
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