Home group network loses its settings overnight

I have a client with whom I've set up a home group. He's got 3 computers with each having Windows 7 installed. Every evening he leaves his shop, every morning when he comes in, his computers and two HP printers have lost their connectivity. The home group eventually regains its settings, but he has to setup his printers from scratch. He changed routers recently. Before his router change, his network had no problems.
GurdjieffAsked:
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JohnBusiness Consultant (Owner)Commented:
Do the printers have a network connection?  If not, tie them to a computer that can be left on 24x7.  That may help.
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8046586Commented:
Check windows profiles. When they are logging, it might users are going to TEMP profiles so that settings will disappear on next log on.
Another thing could be the DHCP, are those two printers using the same IP addresses.
Best practice is reserving IP addresses for desktops and printers and configure the direct connection for each desktop (do not use a print server in the workgroup with a small number of desktops).
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GurdjieffAuthor Commented:
I'll have to check the printer IP addresses when he opens shop tomorrow. Are you saying it's best to assign static IP addresses to all PCs and printers on the home group?
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8046586Commented:
If you cannot reserve or bind the IP over the DHCP server, then make it static for the printers and give them numbers away from starting number to avoid potential conflict on the network.
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GurdjieffAuthor Commented:
I'll try that tomorrow.
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JohnBusiness Consultant (Owner)Commented:
I use Static IP on all Printers in small shops, reserved IP in larger shops. That prevents Printers from changing IP addresses and works well. Make sure Printers are connected by Ethernet.

Is the router turning off overnight?  Or did you set up time of day?  Homegroup seems like it is working but it would be an external influence that disconnects it.
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GurdjieffAuthor Commented:
I was thinking that, since the two printers have the ability to be setup as local usb printers, I could set them up like that. Then share them through the two PCs that are in close proximity to each of the two printers. That would eliminate any power saving problems I'm having with the printers.
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GurdjieffAuthor Commented:
I seem to have problems with the printers being set up as networked printers. I thought the easiest solution would be to set them up as USB printers and then share them with the Home group through two of the three computers. All 3 computers on the network are up and running 24/7. The home group seems to run correctly. It seems to remain a problem with the printers having idle time. I've already checked the power management on the printers.
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JohnBusiness Consultant (Owner)Commented:
I do not like USB printers (because they are tied to a specific computer). If you set the printers up with Static IP addresses, and use the latest Windows 7 drivers, then they should not be a problem.  All my own / client printers are network connected.
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GurdjieffAuthor Commented:
That's what I'm going to do with the USB cables. My original problem noted above was the network losing its settings overnight (please see original post). I've solved my issue with the Home group. I need to eliminate the problem with the printers.
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GurdjieffAuthor Commented:
The USB printers are available to all computers on the network. Since they are shared through the computers they are connected to with the network, and all computers are up and running 24/7, they are available to any computer on the network at any time.
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JohnBusiness Consultant (Owner)Commented:
It seems to remain a problem with the printers having idle time. I've already checked the power management on the printers.

If you insist on using USB, it is probably the computer that has the printer USB connection that must wake it up.

If a printer is on a workgroup network, any of the computer can wake it up.
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GurdjieffAuthor Commented:
Thanks. Went with USB but your suggestion helped with solution.
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JohnBusiness Consultant (Owner)Commented:
You are very welcome and I was happy to help you with this
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