Windows Server 2012R2 Desktop Experience issues through train

Source: Internet
Author: User
Tags rfc


has always been used on the enterprise service side Windows Server, never thought it would be in their own work on-board installation, because of the work mode requirements, desktop, entertainment, etc. are essential drops, so the first task is definitely the desktop experience.

then in front of me the first problem is the Internet problem, the normal access to the page turtle speed load, in N Multi-page open will pop up about Flash error, but the default IE has integrated the latest version of Flash, so go through theForum, blog to find solutions and organize the release for your reference:


One, troubleshoot Windows Server 2012R2 Internet giant Slow problem:

Problem Description :

10MADSL single-line broadband access Web page has to wait to load N seconds to show that I was five PC including lithographic mobile phones and other clients to visit the web, watch video and so on without cards, except Ser2012 on this issue, don't say it directly:

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related issues resolved after discussion on the problem in the group the Pig King mentioned the network jam, good tangled problem, five PC The only problem with this one in the virtual machine - also no problem drops.

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resolution Steps :

1 netsh  int  tcp  show  global view default ECN server

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2. execute netsh int tcp set global ecn=disable close ECN , the problem is resolved:

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3. Execute the netsh int tcp show global again to see the default global parameters to determine that the environment ECN has been closed successfully:

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ECN Introduction:

ecncapability : Explicit congestion notification ( Ecn) RFC 3168, Span style= "font-family: ' The song Body '; > ( 2001 ECN So the end-to-end network congestion notifications for packets are not discarded. ECN is possible between two ECN Enables the optional features that are used when the endpoint basic network infrastructure also supports it.

Traditionally, TCP/IP network signals are congested with discarded packets. when ECN is successfully negotiated, theECN realizes that the router may not set a token in the IP header of a packet to signal impending congestion degradation . The packet receives ECHO congestion indication to the sender, thereby reducing its transmission rate as if it detects a lost packet. Instead of making the right response or ignoring bits, some outdated or defective network devices discard the provisioned ECN bits of the packet . (Please refer to the official website for details:http://en.wikipedia.org/wiki/Explicit_Congestion_Notification).

Note: The entire command execution related parameters command is described as follows:

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4, re-open the browser, found to browse the Web and other direct loading success, surf back to normal (Thanks to the cool, autumn Hua colorful selfless sharing).

"At the same time to organize the network on the way to improve speed":

Receiver Zoom status : Enabled

Chimney unload status : Automatic

NetDMA status : Enabled

Direct Cache Access (DCA): Enabled

Receive Window Auto-tuning level : Normal

additional congestion control provider : None

ECN function : Disabled

RFC 1323 timestamp: Enable

Run the following command as administrator:

receiver Scaling state: netsh int tcp set global rss=enabled

Chimney Unloading status : netsh int tcp set global chimney=automatic

NetDMA Status: netshint TCP Set global netdma=enabled

Direct Cache Access (DCA) : netsh int tcp set global dca=enabled

Receive Window Auto-tuning level:netsh int tcp set global Autotuninglevel=normal

Additional congestion control provider:netsh int tcp set global Congestionprovider=none

ECN function: netsh int tcp set globalecncapability=disabled

RFC 1323 timestamp : netsh int tcp set globaltimestamps=enabled



Second, Windows Server 2012R2 enable IE Browser Flash Plugins:

Problem Description:

The network problem is solved, then Adobe Flash Player issues come up and you'll be prompted to install the Flash plugin when you open a website that contains video or dynamic effects :

The problem is as follows :

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your browser contains the latest version of the built-in adobe Flash Player windows Update "

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Failure Analysis: Because The Flash Player is built into Server, but is not enabled by default.

Operation Steps :

1.Open Server Manager and select "Add Roles and Features" :

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2 , default tick " role-based or feature -based installation " , the next step is to proceed directly next:

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3.on the Feature Selection page, select " user interface and Infrastructure "--" Desktop Experience ", followed by the following process as shown :

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Select "Add Features" in the popup screen to continue:

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Determine the installation information and click Install to continue:

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Complete the installation and follow the prompts to restart the server to verify that the settings are in effect:

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4. Verify that the Flash feature is enabled successfully (to visit Xun video tutorial For example, no pop-up prompts and normal access):

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at the same time open the Control Panel, modify the viewing mode, you can see Flash Player ( level ) Panel item, set success.

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The entire operation process to this end, the desktop experience in the process of the obstacles to the basic solution, I hope that the daily work encountered similar problems have referential value, improve the efficiency of all the wrong, if there is insufficient please forgive me, thank you.


This article is from the "Heard" blog, please make sure to keep this source http://wenzhongxiang.blog.51cto.com/6370734/1639517

Windows Server 2012R2 Desktop Experience issues through train

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