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Wireless Networks Thread, Finding out which server does what! in Technical; Now, im pretty sure the server i call my DC (curricsvr1) has all the major rolls...well until today. When i ...
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    Little-Miss's Avatar
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    Finding out which server does what!

    Now, im pretty sure the server i call my DC (curricsvr1) has all the major rolls...well until today.

    When i started i had our curriculum DC replaced with another (the old DC is called Curricsvr3) curricsvr3 is supposed to just sit there a replicate and share a bit of the load.

    So anyway, i go in to turn the servers back on as there had been some electrical work back in there. Turn the DC on and then turned the others on.

    Went to logon to computer, cant find domain. Scratch head. Log on locally limited or no connectivity. So i reboot my cabs to see if my little gremlin was back but it didnt make a difference. I go to look at the servers but then realise the curric3 hadnt booted (it gets stuck at some menu now thanks to the guy before me, i had set the countdown to 0 but it seems to have lost the setting so now goes to some menu). So i rebooted Curric3 to windows...lo and behold its all up and running.

    Now the guy who setup the new server (i was new,scared and niave, got a company in to do it ) told me that all curric3 was doing was replicating and carrying some of the load....but its obviously a bit more involved then that!! Dont know how i havent had this problem before, but i guessed maybe i was putting 1 and 3 on around the same time.

    What worries me is that curricsvr3 is old and wont be around for very long....especially with the interesting noises it was making....if that goes i dont want it to bring the entire network down!

    Any tips?!

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    Sounds like its running DHCP to me.

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    Little-Miss (23rd February 2011)

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    bodminman's Avatar
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    Have a look in the Admin Tools menu and see if there are references to things like DNS and/or DHCP. If so open these up and have a look at the settings.

    We have an old rm CC3 server (which will be redundant in a few months time) that just ceases up every few weeks and we end up getting the same 'Limited or no connectivity' error. This CC3 server is looking after both DNS and DHCP.

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    Little-Miss (23rd February 2011)

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    Start Menu, Administrator Tool, Manage My Server. It will tell you all the roles in there!
    id start migrating these roles soon if i were you

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    Little-Miss (23rd February 2011)

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    Cache's Avatar
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    What you might find is that after the servers have been off for a period of time, that the network won't bring it's self back up until it can replicate successfully with another DC - particularly the case with the server that holds the master roles as I found out over the summer.

    As there were 3 DC's at the time, I don't know whether I hit it unlucky with the replication attempts, but until the other 2 DC's had replicated with the 3rd DC, the network wouldn't initialise it's self.

    I could have that completely wrong though (but it's what happened to me)

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    somabc's Avatar
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    You may need to move the FMSO roles.

    How to view and transfer FSMO roles in Windows Server 2003

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    plexer's Avatar
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    The limited or no connectivity could point to dhcp.

    Have a look at the roles and services on each server start a configuration document.

    Also look at the fsmo roles and see which server has what. Adcheck is a quick way to check and can also report on replication functionality.

    Ben

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    Little-Miss's Avatar
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    Ok,

    Uber confused.

    Loaded DHCP on the offending server and that reckons it's inactive. The address leases seem to be old reservations, but nothing else. DNS seems to have some current records in, 155 of them.

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    nephilim's Avatar
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    why not virtualise it? Literally copy over the whole server to a virtual server and then switch off the old one? Just a thought

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    JJonas's Avatar
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    from DSquery Examples | Command line utility to find objects in Windows Server 2003 /8

    Example 4 - To query the FSMO roles of your Domain Controllers

    Here is a wonderful command to find the FSMO roles (Flexible Single Master Roles) -hasfsmo. The arguments, which correspond to the 5 roles are: schema, rid, name, infr and pdc.


    dsquery server -hasfsmo schema

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    Little-Miss's Avatar
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    dsquery server -hasfsmo schema
    CN=CURRICSVR1,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=school,DC=pri

    Example 3 - DSQuery to list all your Domain Controllers
    dsquery server
    "CN=CURRICSVR1,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=school,DC=pri"
    "CN=CURRICSVR3,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=school,DC=pri"

  15. #12

    3s-gtech's Avatar
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    Which server OS is it? You'll need to edit the boot.ini file if Server 2003 (System/Startup and Recovery/Edit button) to stop the menu from coming up.

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    Little-Miss (28th February 2011)

  17. #13

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    *bump*

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    Is it hosting DNS? Just wondering if there's a quirk there with integration with AD.

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    Little-Miss's Avatar
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    If i go into the DNS managment screen, Curricsvr1 is the server listed at the top of the tree, so would that say to you that my DC is controlling DNS too. It might be that curricsvr1 is in charge of everything its meant to be and it might be like Cache said and that it threw a hissy because it couldnt replicate.

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