OT: Network Problems
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OT: Network Problems
Right now we are running ipMonitor and LiveStats from Mediahouse. Anyone familiar with these? IpMonitor basically does network monitoring on services, protocols, etc and has several alerts or actions it can perform should one of the monitors not respond. Well, the problem I am having with that program is that it will sometimes loose connectivity to a particular server (not actual connectivity, but for some reason it can't authenticate against that server to check for hard drive space, services, etc.)
This happens over the network quite frequently, where I will be on one server and another server won't let me use a share. I am working off a workgroup (no domain yet) with all the servers on the same workgroup and all with the same admin password. I am plamming on moving everything to a domain soon, but wanted to hold off before I sought some advice on this entire mess. Would having a PDC and domain solve this problem? I don't think so, because we have that at our office and we still have the same problems with our network here. Any advice would be appreciated.
This happens over the network quite frequently, where I will be on one server and another server won't let me use a share. I am working off a workgroup (no domain yet) with all the servers on the same workgroup and all with the same admin password. I am plamming on moving everything to a domain soon, but wanted to hold off before I sought some advice on this entire mess. Would having a PDC and domain solve this problem? I don't think so, because we have that at our office and we still have the same problems with our network here. Any advice would be appreciated.
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DNS and WINS are not the same kind of "service"
although they do have Windows Services that provide their "service". Confusing, huh?
DNS and WINS translate the friendly name of the machine (bigimportantserver.localnet.com) into an IP address (or in the case of WINS, it translates windows machine names into IP machine names). If the server that runs the diagnostic software loses contact with the name server (DNS or WINS) then it won't be able to find the machine it's supposed to monitor. Is there an error log entry for the application? If not, you need to turn on auditing for the application so that you get details of any errors (in the Event Log).
DNS and WINS translate the friendly name of the machine (bigimportantserver.localnet.com) into an IP address (or in the case of WINS, it translates windows machine names into IP machine names). If the server that runs the diagnostic software loses contact with the name server (DNS or WINS) then it won't be able to find the machine it's supposed to monitor. Is there an error log entry for the application? If not, you need to turn on auditing for the application so that you get details of any errors (in the Event Log).
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Sorry...
I think you misread my question. While "connectivity" isn't lost, authentication is. When I try to use a share on the server that is affected it isn't able to authenticate (which is the same problem that the monitoring software is having). However, if I terminal service into the server that wasn't able to authenticate and try to use a share on the server I was originally on, it works. It's just some querky windows networking and authentication problem and I was hoping someone might have experienced it before.
The reason for the monitoring software being brought into this discussion is that this is the only reason I need to solve the problem. Otherwise, everything is working ok or I can work around it. But I get constant false alerts from it when it can't authenticate against a particular server.
Everything is on a workgroup behind a firewall on the same Nortel switch. I was thinking of moving to a PDC and domain but wasn't going to until I knew if that would help or hinder my current situation.
The reason for the monitoring software being brought into this discussion is that this is the only reason I need to solve the problem. Otherwise, everything is working ok or I can work around it. But I get constant false alerts from it when it can't authenticate against a particular server.
Everything is on a workgroup behind a firewall on the same Nortel switch. I was thinking of moving to a PDC and domain but wasn't going to until I knew if that would help or hinder my current situation.
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ah hah...connections to shares can become stale
some systems that use backend channels for updating an synchonizing security tokens will occassionally be unable to authenticate because the synchronization failed. This was known to happen with trust relationships under NT 4.0 for example.
I would guess that your monitoring machine is using RPC to connect to the other machines and run some local api? Or is it using the Performance Monitor service (or SNMP)? The problem may be with the dependency service on the other machine.
Are there any error logs?
I would guess that your monitoring machine is using RPC to connect to the other machines and run some local api? Or is it using the Performance Monitor service (or SNMP)? The problem may be with the dependency service on the other machine.
Are there any error logs?
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Yes..
Although I don't have any mapped shares, the appearnace of the problem is the same as if a share expired. However, normally when a share expires and then you try to connect to it again, it reestablishes the connection and in this case it can't.
I believe it is RPC and there are no error logs, just the fact that I get a false alert message from my monitoring software. The jist of the report is that the monitoring software can't connect.
The same thing happens at my office in our server room where we have a PDC and domain setup for authentication. Although since I am not in charge of that network, I don't know the details on how often.
I believe it is RPC and there are no error logs, just the fact that I get a false alert message from my monitoring software. The jist of the report is that the monitoring software can't connect.
The same thing happens at my office in our server room where we have a PDC and domain setup for authentication. Although since I am not in charge of that network, I don't know the details on how often.
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here's a hack you could try
create a little batch file to disconnect the share mappings before your monitor service runs.
This is one line in a file with the extension .bat
net use * /delete
that disconnects from all shares, including those without drive letters.
Then you can schedule that batch file to run right before the monitor job runs.
This is one line in a file with the extension .bat
net use * /delete
that disconnects from all shares, including those without drive letters.
Then you can schedule that batch file to run right before the monitor job runs.
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sorry, I misread that.
just out of curiousity, does the server control panel (or the Server Management snap-in for Win2K) show any existing named pipe connections after the monitoring software has completed its run?
I would think there is some way to log the sessions, but you may need to delve into (gasp) documentation, or (horror of horrors--at least with our vendors, like Oracle) call tech support.
I'll shut up now and stop bombarding you with my shots in the dark.
Ken
I would think there is some way to log the sessions, but you may need to delve into (gasp) documentation, or (horror of horrors--at least with our vendors, like Oracle) call tech support.
I'll shut up now and stop bombarding you with my shots in the dark.
Ken
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