Vista - Odd connectivity issue

I've been using Vista Business x64 for quite a while now and just recently I added a new w2k3 server w/sp2 with Exchange 2007 sp1 to the network. The new server is running VMWare with 2 MS VMs. The problem is that when I start to use Outlook or connect to the server via UNC it's unbearably slow. The ironic part is that I can connect to the VMs without any problem whether I have VMWare using the primary LAN adapter or not. If I am on the server I can UNC into my machine and move file w/o any issue; it's only when my machine makes a request to the new server. I can connect to other servers in the network w/o issue and other servers can connect to the new machine w/o issue. Externally I can use Outlook Anywhere and webmail. Actually, I have found that using webmail internally is fine and really the only way that I can use email all together. The systems are connected in the same subnet thru a nortel 3510 gigabit switch (I've tried turning off autonegotiation). If you have any thoughts on what might be going on it would be very helpful!

Thanks!

Try turning off autotuning...

netsh int tcp set global autotuninglevel=disabled
and reboot...

This solves "most" of the problems when connecting to servers (mostly
Win2K3 R2 boxen...)

---
Jeffrey Randow
jeffreycentex@xxxxxx
Windows Networking MVP 2001-2006
http://www.networkblog.net

On Mon, 14 Jan 2008 19:04:12 -0600, nytechnoguru
<nytechnoguru.337dv6@xxxxxx-mx.forums.net> wrote:

Worked like a champ! Thanks!