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WSUS error while downloading updates:the server does not support the necessary http protocol

WSUS 3.0
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ComiumSupport
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ComiumSupport
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Donald StewartNetwork AdministratorCommented:
from here
 
http://www.wsuswiki.com/TroubleshootingWSUSInProduction
 

3. Content download does not happen; event -log shows content download failure (EVENT ID 364) that server does not support the Range protocol header.
You may see the following in the reporting Event log:
Content file download failed. Reason: The server does not support the necessary HTTP protocol. Background Intelligent Transfer Service (BITS) requires that the server support the Range protocol header.
If you receive this error your proxy environment may not support HTTP 1.1 Range Requests. Check and upgrade your proxy, or you can manually work around this by executing the following commands:
1. %programfiles%\Update Services\tools\osql\osql.exe -S servername\WSUS -E -b -n Q USE SUSDB update tbConfigurationC set BitsDownloadPriorityForeground=1 (note: substitute your WSUS server name for servername)

2. Open Services (click Start, point to Administrative Tools, and then click Services). In the details pane, right-click Update Services, click Restart, and then close Services.
 
3. You might want to try a synchronisation after appliying this setting to kickstart the download.
 
 
4. Content download does not happen; event -log shows content download failure (EVENT ID 364) that server does not support the Range protocol header.
You may see the following in the reporting Event log:
Content file download failed. Reason: The server does not support the necessary HTTP protocol. Background Intelligent Transfer Service (BITS) requires that the server support the Range protocol header.
If you receive this error your proxy environment may not support HTTP 1.1 Range Requests. Check and upgrade your proxy, or you can manually work around this by executing the following commands:
1. %programfiles%\Update Services\tools\osql\osql.exe -S servername\WSUS -E -b -n Q USE SUSDB update tbConfigurationC set BitsDownloadPriorityForeground=1 (note: substitute your WSUS server name for servername)

2. Open Services (click Start, point to Administrative Tools, and then click Services). In the details pane, right-click Update Services, click Restart, and then close Services.
 
3. You might want to try a synchronisation after appliying this setting to kickstart the download.
 5. Event 364 in the event log
You see the following in the application log:
    Content download failed. Reason: Access is denied. Source File < snip > destination File: d:\wsus\wsuscontent......
If you receive this error, assign Network Services the Read rights to the root of the drive mentioned in destination file above (in this case D:)
Drop to a command prompt on the server and type in the following
d:
cd \
calcs .                                                                                                     <--- this provides you with the current state before you change it
cacls . /e /g "NT AUTHORITY\NETWORK SERVICE":r
cacls .
Note that you will probably find that you can't assign Network Service within the security tabs in Windows explorer - that is why you need to use cacls.exe  
To test is has worked, go to your updates, select a failed download and then choose Retry Download from the menu. The main page should update to show you the download status
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ComiumSupportAuthor Commented:
Due to the firewall....

The  command of WSUS server to repair the synchronizations:
%programfiles%\Update Services\Setup\ExecuteSQL.exe -S %Computername%\MICROSOFT##SSEE -d "SUSDB" -Q "update tbConfigurationC set BitsDownloadPriorityForeground=1"
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Donald StewartNetwork AdministratorCommented:
This is exactly the same as I provided above in the trouble  shooting steps

I.E. set BitsDownloadPriorityForeground=1
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