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network change from domain to unidentified

unidentified-network.JPGunable connect to map drives after windows update
not showing connect to dmian
Not show it is connect to main in  firewall settings

Unable to connect to map drives from this computer for other computers on the network
6 Solutions
Tom CieslikIT EngineerCommented:
DNS issue
Make sure you're IP on NIC has no changed, check if IP is from your DHCP and if it has all DNS information
If you have static IP, make sure settings are correct and there is no conflict in your network.
showisonManger/itAuthor Commented:
it has been fix all the time no conflict just since the windows update  had to change firewall to off f
or mapping to work
showisonManger/itAuthor Commented:
how to i put it back on the domain as it already a member of a domain
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The system is either a member of the domain or not. You should not be manualy changing

run systeminfo | more to view the data.

Have seen a similar issue when the network came up, but the system could not reach the DC......
The Suggestion Tom provide is ....
the work/home and domain often should work fine on a workstation, the server if this is what it is, the rules addedd can be extended from the domain to also apply to a home/work type network categorization, but do not extend some to the public.
make sure your internal DNS/DHCP do not distribute an external Name server IP..

ipconfig /all

name servers....
Tom CieslikIT EngineerCommented:
Make sure you know local user (local admins member group) login and password.
Restart computer and log off using local user.
Remove computer from domain and add to WORKGROUP group
Restart computer
Login as local user and add computer to domain again.

No data will be lost, You'll get same data and profile like you had before. This procedure is helping when computer is loosing trust to domain.
Hello ThereSystem AdministratorCommented:
I fixed this recently by this. Run this as admin:
netsh int tcp reset
netsh int ip reset
netsh int ipv6 reset
netsh winsock reset
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