http://www.winguides.com/registry/display.php/280/
I'd suggest 1400 as a good setting.

The problem is that the VPN encapsulation adds size to the packets (like 60
bytes IIRC) and that can kick it over the top of the MTU of the links.

--------
Roger Seielstad
E-mail Geek 

> -----Original Message-----
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On Behalf Of 
> Salandra, Justin A.
> Sent: Wednesday, April 06, 2005 2:25 PM
> To: ActiveDir@mail.activedir.org
> Subject: RE: [ActiveDir] SLOWWWWWW Logons
> 
> They are connecting through a VPN Connection.  How do you 
> change the MTU Size?
> 
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of 
> Carerros, Charles
> Sent: Wednesday, April 06, 2005 4:47 PM
> To: 'ActiveDir@mail.activedir.org'
> Subject: RE: [ActiveDir] SLOWWWWWW Logons
> 
> Do they use a different logon script as everyone else or 
> could the logon script have an additional program that might 
> run for them and not some others.
> 
> Also, are you connecting through a VPN connection?  I had an 
> issue at one of my locations where half the staff were having 
> about a 30 minute logon time and the fix was to reset the 
> default MTU packet size on the workstations.  I think this 
> had something to do with fragmentation and 2003 AD security
> packets that weren't supposed to be fragmented.   It was an odd issue
> with a
> quick solution.
> 
> Charlie
> 
> -----Original Message-----
> From: Salandra, Justin A. [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, April 06, 2005 3:40 PM
> To: ActiveDir@mail.activedir.org
> Subject: RE: [ActiveDir] SLOWWWWWW Logons
> 
> 
> Deleting the profile does this does it not?  How would that 
> explain the same problem on another computer?
> 
> Roaming profiles are NOT being used
> 
> Justin A. Salandra
> MCSE Windows 2000 & 2003
> Network and Technology Services Manager
> Catholic Healthcare System
> 212.752.7300 - office
> 917.455.0110 - cell
> [EMAIL PROTECTED]
> 
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Mike 
> Hogenauer
> Sent: Wednesday, April 06, 2005 4:05 PM
> To: ActiveDir@mail.activedir.org
> Subject: RE: [ActiveDir] SLOWWWWWW Logons
> 
> Have you tried deleting their account from the Document and 
> settings folder then having them log back on? Back up their 
> desktops first of course :) 
> 
> Mike 
> 
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of 
> Salandra, Justin A.
> Sent: Wednesday, April 06, 2005 12:38 PM
> To: ActiveDir@mail.activedir.org
> Subject: [ActiveDir] SLOWWWWWW Logons
> 
> I have two users amongst 50 in a remote site that no matter 
> what PC they login to it takes forever, but if someone else 
> logs into that PC, they log on quickly with no problems.
> 
> I have already run netdiag and everything passed, I have 
> deleted the local profile on the computer, disjoined and 
> rejoined the domain, changed the network card, provided a 
> different IP address, verified I can access 
> \\domainname\sysvol\domainname and rebooted the PC as well as 
> all the domain controllers and the routers inbetween the 
> sites.  No ports are being blocked by anything, no changes to 
> policies have been done, no new servers have been made domain 
> controllers and none have been demoted.  There are two Global 
> Catalogs in that AD Site, replications is working and I have 
> not thrown the PC out the window yet.
> 
> What else could be happening here?
> 
> Justin A. Salandra
> MCSE Windows 2000 & 2003
> Network and Technology Services Manager
> Catholic Healthcare System
> 212.752.7300 - office
> 917.455.0110 - cell
> [EMAIL PROTECTED]
> 
> 
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