mikeyd101

I have my own powershell script to renew yearly accounts or create new ones if they don't exist. Im still working to get all our students in AD to have a unique id so that i can cross check the same student in MIS as in AD. I'm also working to automate it further by doing daily check on MIS database and find new students. We also have an AUP (acceptable use policy) they we have to have a signed form before processing so my spreadsheet looks after that. But our region centre are not responding to my queries.

wow thimon, how many hours did that take to construct? did you use any measurements to get the scale? I'd love todo something simular for here but im not sure i'd want to sink that many hours into it.

LDAP Queries maybe? I hacked together (from other sources) powershell script todo AD LDAP queries without the need for external modules. function Get-ADObjects{ param ( $searchroot = [system.DirectoryServices.ActiveDirectory.Domain]::GetCurrentDomain(), $Category = "(objectCategory=computer)", $fieldlist = @("name", "cn") ) $objSearcher = New-Object System.DirectoryServices.DirectorySearcher $objSearcher.SearchRoot = "LDAP://$searchroot" $objSearcher.Filter = ($Category) $objSearcher.SearchScope = "subtree" $objSearcher.pagesize = 10000 # TODO: request / consolidate from all domain controllers foreach ($i in $fieldlist) { $temp = $objSearcher.PropertiesToLoad.Add($i) } $colResults = $objSearcher.FindAll() $Results = @() foreach ($objResult in $colResults) { $Result = New-Object PSObject foreach ($Property in $objResult.Properties.getenumerator()) { if($Property.Value) { $Result | Add-Member NoteProperty $Property.Key ([string]$Property.Value) } } $Results += $Result } $Results } # get all computers from AD $computers = Get-ADObjects -category (objectCategory=computer) -fieldlist @("name", "cn", "lastLogonTimeStamp", "userAccountControl", "description", "location")

look at iperf for testing internal link speeds, it can saturate the connection so use it wisely. It also requires pc at each end of the cable one running as host the other as client. The other thing todo is monitor the amount of traffic at the weakest point (sounds like the internet connection) and see how much traffic your actually using. I use "the dude" here as its free and pretty easy to get up and running and gives me historic data about all my major interconnections. One of the things I discovered after first starting to monitor is quite how much constant bandwidth was being taken up by our ip camera system.

I have noticed an increase in our default domain policy (upto 34000ms), it seems to have increased, now machines are taking a couple of minutes to login. I started drilling into this problem yesterday but got sided tracked with something else. I did recently make a change on our DC to NTLM to increase the number of synchronous logins as were only running with 1 dc atm (other one blew its psu) and receiving lots of login server not available. I started receiving errors from grouppolicy about client side extension software must be applied before login and may result in slow boot. I also noticed loads of 1085 events on dc but these seemed to have cleared up since deleting grouppolicy history yesterday. Im starting to wondering if there wasn't a recent patch that is causing issue we have autodates enabled. Hopefully im going to get into it a bit more today, and i'll report if I find something.

couple of things to look for/at the switch console /web/snmp and see what ports are generating most traffic. The other is break out something like wireshark and look at packet traffic, this may indicate bad nic in a device. we've had a few loops here where people plug loose wires into the wall. A visual check might identify it.

The dude, its simple and free. I looked at PRTG and netbrains, but too big, complex and pricey for our school.

Fanatec stuff is good (I have CSP v2) but I choked at getting CSW v2 & Porsche 918 rim for close to $1000, I had early invitation too as a purchased CSP v2 but for me it was way too much. I'm also looking around for a new wheel as my aging G25 is getting a bit wobbly these days (after 4 years of almost daily use) my current options are click buy on fanatec site and forget that its real life money i spending, the thrustmaster t300 ferrari 599 or a Logitech G27 which I think is best value for money of the bunch. I'll be looking in the black friday / cyber monday sales for sure.

Xirrus here over 3 campus (37 arrays), Was originally speced for coverage and now after 5 years where starting to want to move to density, arrays are holding up well, we have had a few array failures due to I think our flakey west texas power grid which has blown a few of the POE. Apart from that there are great, there support is also great there always willing to help us out including replacing a couple of arrays out of warranty.

I used to use MDT but i got annoyed with keeping winpe updated with all net drivers to install, It doesn't tell you until a ways through the process that it cant access the deployment location. I moved to FOG which is much simpler as just copies the partition images, it also has a basic machine inventory too. I think FOG also has a bit to do remote installs / remote control but not looked into it. I install a few main apps through GPO/MSI. I'd like to move to SCCM as i'd like more inventory control / auditing over all our machines. But still trying to convince my boss.

just looking at the blurb on your AP: The HP MSM 802.11n Dual Radio Access Point Series works in unison with the HP controllers to deliver a high performance WLAN solution. Offering near gigabit client access and increased reliability they are ideal for voice and multi-media communications while providing full compatibility with legacy 802.11 clients and existing HP wireless controllers. Built-in Spectral Analysis and integrated Wireless IDS/IPS provides detection, classification and intelligent avoidance of non-802.11 interference and comprehensive threat protection. Access points can be deployed in managed or autonomous mode. The interesting thing there is built in spectral analysis, which should mean that your able to view how busy/interference the 2.4 ghz band is (air time) and if you have AP setup on same channel giving cross talk. I'd start looking through the management interface/configuration and try and get up to speed on wifi configuration. some basic wifi configuration points. - 2.4ghz only really has 3 usable channels 1, 6 & 11, these are the only non overlapping channels. if your only using 2.4 don't be tempted to use any other channels it wont help. - 5ghz is much better as every channel is usable as there's no overlapping channels - you want APs that are in range of each other to be on different channels, or as different as possible hard todo with only 3 channels - look at firmware revisions on AP / firmware revision history, look to see if there are any improvements - I'd be contacting HP about it also see if they have any known compatibility issues - try with as many other devices phones etc and see what kind of through put you get (is it only 350 that get bad performance) Did you look at the connection speed you where connected to your home wifi? From my experience most switches/AP work pretty decent with there default configuration, unless you have weird routing. I hope you get to the bottom of it.

Speed is determined by MCS index, if your only connecting at 150mbs (index 7) means that your connecting on 1 spatial stream (1 radio), 40mhz channel (good), 400ns GI (good). On 1 radio that is the best speed you are going to connect at, any increase will come from multi radio wifi cards (mimo). where as my 300mbs (index 15) is same with 2 spatial streams. You could try reconfiguring your arrays to 20mhz channels and / or 800 ns GI (sometimes called long (800) and short (400)) might improve the 350 but will probably degrade probook. Do an iperf against your probook and that should give a good indication of your expected throughput, there's math to work it out but i don't know what it is you should see 150mbit/s - overhead (think that's todo with frame size / MTU) How far was colleague sitting from the AP (a foot ?) and probably only 1 or 2 wifi devices contesting air time. Worth getting him to find out what connection speed (MCS Index) he was connected at. Have you tried different AP also? From the sound of the cards that its 2.4Ghz, there can be alot of other things on 2.4, wireless headphones, keyboards, mouse, speakers all can cause background interference and the probooks wifi radio power is probably a bit stronger. Microwares also give off massive 2.4 interference, but normally only for a few minutes, the above wireless devicesare normally pretty constant but lower power. Something else to give you some more information is something like wireshark and actually monitor the traffic to see if your getting excessive re-transmits. also looking at the switch / AP might give tx/rx errors, crc's and collisions. Collision might be the key there if probook is stronger radio other clients will hear it and shut up, lower powered might be in range of AP but not in range of each another giving cross talk.

I was trying to think of the other information that was important yesterday and couldn't remember the name, today i found it MCS Index there's a good table on Demystifying Modulation and Coding Scheme (MCS) Index Values This is the available speeds that wifi can connect at (spatial stream, channel band widths and Guard Intervals (wait time)). The other thing is power (which may be affected if laptop is plugged into ac or not), also if the MCS Index changes alot this can have negative impact on performance. I'd also check if you can see what the radio power levels are set. device manager -> wifi adapter -> properties -> advanced tab -> look for transmit power or power output. There's a bunch more settings there that maybe be able to be tweeked to give better performance. I was interested to see here so I did a quick test between my probook (6550b) and a 215 which is a baby 350 (no 350s in my office) and both connected at 300mbs, top is probook (Broadcom 43224AG), bottom is 215 (bcm943228hmb) Accepted connection from 10.105.89.10, port 2141 [ 5] local 10.105.89.112 port 5201 connected to 10.105.89.10 port 2142 [ ID] Interval Transfer Bandwidth [ 5] 0.00-1.00 sec 17.7 MBytes 148 Mbits/sec [ 5] 1.00-2.00 sec 17.6 MBytes 147 Mbits/sec [ 5] 2.00-3.00 sec 17.9 MBytes 150 Mbits/sec [ 5] 3.00-4.00 sec 19.3 MBytes 162 Mbits/sec [ 5] 4.00-5.00 sec 17.2 MBytes 144 Mbits/sec [ 5] 5.00-6.00 sec 18.3 MBytes 154 Mbits/sec [ 5] 6.00-7.00 sec 17.8 MBytes 149 Mbits/sec [ 5] 7.00-8.00 sec 18.3 MBytes 153 Mbits/sec [ 5] 8.00-9.00 sec 17.1 MBytes 143 Mbits/sec [ 5] 9.00-10.00 sec 18.1 MBytes 151 Mbits/sec [ 5] 10.00-10.03 sec 489 KBytes 174 Mbits/sec - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth [ 5] 0.00-10.03 sec 0.00 Bytes 0.00 bits/sec sender [ 5] 0.00-10.03 sec 180 MBytes 150 Mbits/sec receiver ----------------------------------------------------------- Server listening on 5201 ----------------------------------------------------------- Accepted connection from 10.105.88.173, port 49251 [ 5] local 10.105.89.112 port 5201 connected to 10.105.88.173 port 49252 [ ID] Interval Transfer Bandwidth [ 5] 0.00-1.00 sec 10.4 MBytes 87.3 Mbits/sec [ 5] 1.00-2.00 sec 10.6 MBytes 89.0 Mbits/sec [ 5] 2.00-3.00 sec 11.3 MBytes 95.1 Mbits/sec [ 5] 3.00-4.00 sec 10.9 MBytes 91.7 Mbits/sec [ 5] 4.00-5.00 sec 11.8 MBytes 99.2 Mbits/sec [ 5] 5.00-6.00 sec 11.1 MBytes 92.7 Mbits/sec [ 5] 6.00-7.00 sec 10.6 MBytes 88.8 Mbits/sec [ 5] 7.00-8.00 sec 11.8 MBytes 99.1 Mbits/sec [ 5] 8.00-9.00 sec 11.1 MBytes 92.9 Mbits/sec [ 5] 9.00-10.00 sec 12.2 MBytes 102 Mbits/sec [ 5] 10.00-10.48 sec 5.17 MBytes 91.0 Mbits/sec - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth [ 5] 0.00-10.48 sec 0.00 Bytes 0.00 bits/sec sender [ 5] 0.00-10.48 sec 117 MBytes 93.7 Mbits/sec receiver ----------------------------------------------------------- Server listening on 5201 ----------------------------------------------------------- What is the wifi radio chipset in your probook and 350? Did you try multiple 350s with same results? (i.e just not 1 bad radio) I think your on the right lines trying to eliminate the cause but I don't think that your get an even match between the probook and 350 due to hardware, obviously they fit better radios in probooks.

i'd agree with 3s-gtech start simple, check for newer firmware / drivers also check if there are any IPv6 issues (we had 30 new HP elitedesk 800 g1, which i217 intel cards spamming our network with ipv6 traffic)

I'd check/compare the connecting speed over wifi (probook/350), it maybe the 350 have less radios or lesser wifi support like 2.4 and 5ghz. How did you test and was it completely controlled (if there are any other wifi devices in range you could get interference / degradation), wifi only supports 1 client at a time, and the air is the collision domain. We recently brought a Wi-Spy/channelizer because we had no tool to help us migrate from coverage to density, and see how much saturation (air time) is happening. You might also want to look at breaking your test down to just network performance by using something like iperf (https://iperf.fr/iperf-download.php). That should better reflect what your wifi is doing seperate to your inet speed.

Google Site? can be hosted on free google drive?

I'm done for then as i'm a Brit working in America, I'll just use A on one end and B on the other

Last Brought: dungeon keeper gold, dungeon keeper 2, sim hospital (on gog) and Assetto Corsa DLC #2, dead island bundle (steam). Last completed: GTA V GOG games are for wifey. Most of my time is still consumed by Assetto Corsa (550hrs+).

Probably not the cause but I'd also check the network adapter if its an I217, check the version of the driver (might be fixed in win10 driver) . We had around 30 elitedesk 800g1 SFF (windows 7) and made a significant impact of our network with ipv6 traffic in sleep state. (tens of thousands of packets / second), updated network driver and that shut them up. Another thing to check is to run resmon you might be able to drill down to the process causing the usage. check windows update

We have a Fluke Intellitone Pro 200, its great for testing and finding cables. We have nothing for fibre.

We used Raptor in the past, and now use Hallpass, but it only checks criminal history / sex offender, manages login / logout of campus and prints badges. I'm also in the USA so these systems may only be connected to USA databases.

thanks, I originally had created the usernames in powershell, but found problem we seem to have lots of the same logins generated, lots of kids with same or similar names (one of the reasons for adding student ids in AD) so easier to automatic generate names in excel and remove dups before running the script.

usercreate.txt Here's my script to pick apart for some ideas (I've removed domain and OU information about our specifics). we have sheet export exported from our student management system (TXiES), with additional fields added required for script. And additional requirement we have is that the kids have to sign an AUP (Acceptable Use Policy) for using computers. This script requires the generation of unique username before running the script i use: =CONCATENATE(SUBSTITUTE(SUBSTITUTE(F2," ",""),"-",""),LEFT(G2,1),LEFT(H2,1)) in excel to generate last name, first initial, middle initial. I also embed the student id number into employee id AD field so we can tie the 2 together later, work out what class there in and set homedrive/directory. If student is returning student check the student id and reset the account expiry.

Hey i'm just moving the other way wds/mdt to fog, mainly because our builds are pretty set and we have lots of the same type. I mostly use MDT but use WDS to PXE boot machines to a winPE image. The problem I found with MDT is it requires all the network drivers embeded in the winPE image and if you dont have them it takes a while to notify you it can't connect to the image server, then you have to find net drivers install to mdt and rebuild winpe image. My overall aim is to move to sccm, but its hard to just implement that into a production environment with no experience of it (plus im nervous of AD schema changes), and no available server. I talked to MS when we went to a conference about licenses and were on a open value sub with some kind of client cal bundle, which includes sccm so that entitles us to sccm server.

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