In a large enterprise an admin would need to keep track of all the domains in a AD forest, the domain names, the domain controllers (DC) , their IPs, and what FSMO roles does a DC hold. Wrote a little script to just do that…
Getting a know a new environment for a new client and I a quickly needed information about all domain controllers in the entire forest. Wrote a small little script to provide me all the information I needed:
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Import-Module ActiveDirectory function Get-AllDCsInForest{ [CmdletBinding()] param( [string]$ReferenceDomain = $env:USERDOMAIN ) $ForestObj = Get-ADForest -Server $ReferenceDomain foreach($Domain in $ForestObj.Domains) { Get-ADDomainController -Filter * -Server $Domain | select Domain,HostName,Site, IPv4Address, OperatingSystem, OperatingSystemVersion } } Get-AllDCsInForest| Export-Csv -Path C:\Scripts\AllDcs.txt -NoTypeInformation |
So had an interesting issue today where a Domain Controller (DC) was demoted yet the IP of the demoted DC was still showing up when running nslookup internaldomain.local Demoted DC:Â MWDC04 / IP: 10.14.111.111 I had done the metadata cleanup and tried many suggestions when googling the subject. To my surprise none of the solutions I … Read moreNSLookup still showing IP of demoted Domain Controller
Covering one of the basic day to day task if you are a Windows Administrator; connecting to the domain controller. Â I try to minimize logging onto servers as much as possible. Â Your thought should be around connecting to the server remotely and doing the work as needed instead of natively logging on to it. I … Read moreConnecting to a remote domain controller using PowerShell
CentOSÂ guest instances in VMware sometimes come up with the boot error message:
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piix4_smbus 0000:00:007.3: Host SMBus controller not enabled! |
This error is being caused because VMware doesn’t actually provide that level interface for CPU access, but Ubuntu try to load the kernel module anyway. How to fix it:
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sudo nano /etc/modprobe.d/blacklist.conf |
add the line:
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blacklist i2c-piix4 |
Reboot. NOTE: for older versions use blacklist i2c_piix4 … Read more“Host SMBus controller not enabled!â€