Slow Connection to Internet


we have installed windows server 2012 r2 essentials settings default.  use program 2 reasons no 1 has knowledgeable networks or servers and use file server.  server hardware new , switch new.  our internet provided at&t u-verse 15 meg down load speed initial connection new page takes 20 sec. speed test shows download speed 15 meg.  network switch gig switch when server connected system connection speed slow, disconnect server switch , computers internet speed resume normal connection speeds of 15 ms times based on using f12 in ie.

have investigated following options disable dns server @ modem suggested in other write ups, at&t blocks users ability have add router create static ip etc.  disable dns in server works active directory , security not sure affect if prefer not touch that.  last thing tried ecn capability , server 2012 defaults enable first time, , try disabling when tried disabling got message said failed because need administrator level rights. (i logged on administrator).

does have suggestions on how resolve internet speed issue?

   

hi:

u-verse strange beast accounts.  don't hear if business use.  aside that, can have bit more history?  example, using console create users , rest of functionality provides?  have joined computers server launcher, either directly or browser , http://server-name/connect?

what dhcp server?  result of command ipconfig /all > c:\iptest.txt from station , server.  can open resultant file notepad , past results reply, sure tell which.  no need change unless don't want disclose server name.

lastly, result of command station when server disconnected lan?


larry struckmeyer[mvp] if question answered please mark response answer others can benefit.



Windows Server  >  Windows Server 2012 Essentials



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