Question：The situation is the following, after installing Service Pack 2:
- Static IP configured LAN. Cable based with a 100mbit switch and Internet Access Provided by a DSL router (Which has DHCP server deactivated).
- 2 Computers with Vista SP2 installed. Only the Ultimate Version has the problem. The Home computer doesn't (OFC hardware is difference between BOTH... In particular the problematic Computer has 2 Nvidia Giga Ethernet Built-in cards).
Each Boot the default Gateway dissapears and the IP of the Ultimate Computer falls down to the default 169.254.x.x. This prevent proper access to LAN and Internet, obviously.
I have found a workaround (that allows me to type here for example :)) by doing the following:
- Activate DHCP.
- Add my pre-SP2 static configuration as an Alternative Configuration.
- After DHCP process fails (I don't have DHCP configured on my Router) the Alternative Configuration kicks in and everything regains the status it got before SP2 was installed.
After following closely all the process by spamming "ipconfig /all" (and adding some extra data using the "route" command) I traced the problem to the Autoconfiguration step (that for some reason kicks in now).
The curious thing is that when I use netsh command to deactivate Autoconfig on the LAN connection, it reports back as successful, but after checking ipconfig, the autoconfig options remains as "yes".
Any help will be appreciated... Because the workaround is just something I do as emergency to ask for support as includes a DHCP service timeout of around 3 minutes each boot, so you can guess is a situation I don't want to maintain and I will prefer to uninstall SP2.
EDIT: Typo correction and added info on LAN topology
Answer 1：The situation is the following, after installing Service Pack 2:
- Static IP configured LAN. Cable based with a 100mbit switch and Internet Access Provided by a DSL router (Which has DHCP server deactivated).
- 2 Computers with Vista SP2 installed. Only the Ultimate Version has the problem. The Home computer doesn't (OFC hardware is difference between BOTH... In particular the problematic Computer has 2 Nvidia Giga Ethernet Built-in cards).
Each Boot the default Gateway dissapears and the IP of the Ultimate Computer falls down to the default 169.254.x.x. This prevent proper access to LAN and Internet, obviously.
I have found a workaround (that allows me to type here for example :)) by doing the following:
- Activate DHCP.
- Add my pre-SP2 static configuration as an Alternative Configuration.
- After DHCP process fails (I don't have DHCP configured on my Router) the Alternative Configuration kicks in and everything regains the status it got before SP2 was installed.
After following closely all the process by spamming "ipconfig /all" (and adding some extra data using the "route" command) I traced the problem to the Autoconfiguration step (that for some reason kicks in now).
The curious thing is that when I use netsh command to deactivate Autoconfig on the LAN connection, it reports back as successful, but after checking ipconfig, the autoconfig options remains as "yes".
Any help will be appreciated... Because the workaround is just something I do as emergency to ask for support as includes a DHCP service timeout of around 3 minutes each boot, so you can guess is a situation I don't want to maintain and I will prefer to uninstall SP2.
EDIT: Typo correction and added info on LAN topology
Answer 2：So you're stating you had no issue with this until you installed Service Pack 2?
Why do you have DHCP turned off in your Router? Are you manually assigning each computer a IP Address, Subnet Mask and the Default Gateway by going to the properties on the Network Card?
Have you tried turning off one of the NICs (network cards) on the affected PC (Disabled one of the network cards)
Speaking of your DSL Router, it is one of those DSL Modems with the built in router, such as a 2-wire? (junk in my opinion).
thanks
Answer 3：
So you're stating you had no issue with this until you installed Service Pack 2?Ah yeah... Before SP2 everything worked normally. And even with SP2 installed, I have another comp but with Home version that works normally.
Why do you have DHCP turned off in your Router? Are you manually assigning each computer a IP Address, Subnet Mask and the Default Gateway by going to the properties on the Network Card?
Have you tried turning off one of the NICs (network cards) on the affected PC (Disabled one of the network cards)
Speaking of your DSL Router, it is one of those DSL Modems with the built in router, such as a 2-wire? (junk in my opinion).
thanks
I guess that you had also to fight with the different anoyances you experience with 2 cards on Vista heheh, thanks for the point but before this problem I got already 1 of them disabled.
The Router itself is a bit old (3Com Officeconnect 812) but I repeat the other box works normally. And yes, as I said my whole LAN is Fixed IP. The data on the IPv4 protocol is added each time and the only way I manage to get it memorize the default gateway after a boot is the workaround I explained.
In the meantime I have found some other isolated reports of this happening dispersed on the Net... Specially on ppl that during the rutinary use of their comps have been tweaking their Network configurations with different setups... Which is the case on the Comp I have and not the case on the one that works so... Checking in detail Registry differences, my comp (old installataion of Ultimate) with the newer (Home OEM installation) I see that mine has a lot more keys present on the Interface Folder probably the result of the different tweaks/tests I have been doing during the life of this Vista Ultimate installation (close to 1 year without formating). Some key meaning changed/tweaked?
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