When I try to remote using a third party product, I cannot find a particular user. If I have UserA and UserB computers and I need to remote to UserB. I get the UserA information. Even if I use the IP address or the hostname. If I ping by hostname I get the same IP address for each computer. If I perform an nslookup I get UserA info. I performed an ipconfig /all on each workstation and they receive DHCP from the same server. Here is some additional information for resolution to this problem.
We recently experienced a warning message indicating that we are "running out" of our DHCP addresses. As a result, we changed the lease duration of our DHCP clients/Bootp clients to:
1 day 0 hours and 0 minutes
We also changed the DNS Reverse/Forward Lookup Zones - Zone Aging/Scavenging Properties to:
(Check) Scavenge stale resource records
No-refresh interval = 1 day
Refresh interval = 1 day
Now in DNS it looks like there are multiple hosts have have the same IP addresses in both the forward and reverse lookup zones. Interestingly enough the hosts/users are not experiencing any network issues. We only have one DHCP server issuing addresses and a different server handling DNS.
I also noticed in DHCP that the IP addresses and host names are unique.
In DNS forward look up zones
there are Host (A) records have duplicate IP addresses (at most 2 duplicates)
there are old/non-existent Host (A) records that are listed
In DNS reverse look up zones
there are Pointer (PTR) records that have multple entries for the same IP addresses (at most 3)
Ideally, we would like to remote into our workstations by hostname or IP address. In order to acheive this I believe we need to perform some housecleaning or maintenance tasks first.
1. Set up DNS/DHCP so that we have 1 IP address, Host(A), Pointer (PTR) for each host
2. How can we remove old/non-existent computers from DNS/DHCP?
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