Remember - witch good at CVs, witch OK at straightforward tech, witch not so good at this sort of stuff
Factory default IP is 10.90.90.90 subnet mask 255.0.0.0 from page 19 of ftp://files.dlink.com.au/products/DG...nual_v2.02.pdf
You may need to set a workstation to a static IP of 10.90.90.91 mask 255.0.0.0 or somethign like that to connect initially and the default password is admin.
To export DHCP reservations, from the source server:
Open elevated Command Prompt (Right-click run as Administrator)
netsh dhcp server [ip address] scope [scope address] dump>reserv.txt
Open up reserv.txt in a text editor, do a Find->Replace for the source server IP, change to the destination server IP. Trim out everything in the file except for the reservations themselves.
On the destination server, make sure your scope is already created, and run the following command:
netsh exec C:\reserv.txt
As others have explained better than me witch, you can create a copy of your scope (the actual scope, its options, reservations and leases) into a text file, but not the database.
Then by creating a new blank database, you import the text file back into it. It's a bit complicated and I would happily do it for you, but I am literally miles and miles away!
That's the thing though- working alone with a system that needs minimum 'down' time I can't be confident that I could manage to do it in one go as it were. I am certainly not stupid but not keen on meddling with things I don't really understand. I have ended up with trouble too many times to count - probably because to those who understand what they are doing the instructions mske sense, but to those of us who have never seen this stuff, they don't, or we are very good at misinterpreting them!
I thought you only had one D-Link and two others, if so then the management bit is only for the D-Link one so there should be no confusion.
@Netman has given me some valuable help and has sorted out a couple of things on the server. Network guy coming in today to look at switches and test if poss - or at least explain to me how they are actually connected as I really can't see without disconnecting everything which wouldnt go down too well I don't think!
Thanks for everything - I will be monitoring over the next few days to see if I still have an issue
Has this been sorted now Witch? Curious to know the root cause of the problem!