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Server Error 403-Forbidden: Access Denied

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Old 11-12-2009
E. (Izzy) Schultz
Posts: n/a
Server Error 403-Forbidden: Access Denied

Not sure if this is the right place or not.
Went to microsoft update and got the following message

Server Error 403-Forbidden: Access Denied
You do not have permission to view this directory or page using the
credentials you supplied.

OS is WinXP pro/SP3.

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Old 11-12-2009
PA Bear [MS MVP]
Posts: n/a
Re: Server Error 403-Forbidden: Access Denied

Is Automatic Updates enabled? If not, can you enable it, reboot & find it
still enabled?

What anti-virus application or security suite is installed and is your
subscription current? What anti-spyware applications (other than Defender)?
What third-party firewall (if any)?

Has a(another) Norton or McAfee application ever been installed on this
machine (e.g., a free-trial version that came preinstalled when you bought
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Old 11-12-2009
Posts: n/a
Today I got the same error 403 all of a sudden...I did not install anything
new and yesterday I could still update...hm?

Yeah, man, I was JUST getting the same message. I've never in my life
received that before. I don't have any antivirus running and I have not made
any insstallations of any kind in the past few days. I don't have automatic
updates enabled because I always check manually.

I had the same issue and had the same error in the log. The dll is available
from here: http://support.microsoft.com/kb/949104 This sorted it for me.

I already had wuweb.dd version 7.4.7600.226 but still received the error. I
simply turned on the Automatic Updates option (was previously off) and
rebooted. Microsoft Updates is now working.

Funny thing is, I was trying to check for Updates for my server that runs
WSUS when I encountered this...
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Old 11-12-2009
Posts: n/a
I fixed it!
I checked the windows update log file [%windir%\Windowsupdate.log] and found
that I had a wrong wuweb.dll file...
I downloaded the latest windows update agent file and now I am back running..

Because here is the same issue: how did you know you had a wrong wuweb.dll
file and where did you download the latest windows update agent file?
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Old 11-12-2009
Posts: n/a
I found the answers myself and it fixed this problem here too!
In the log file it says:
FATAL: Update required for C:\WINDOWS\system32\wuweb.dll: target version =
7.2.6001.788, required version = 7.4.7600.226
And a new wuweb.dll I found at
http://msdn.microsoft.com/en-us/libr...85(VS.85).aspx. Direct URL's:
WSUS here is distributing 7.4.7600.226 since the last few days

Any respons from MS yet when they will fix their Update Site not to kill our

I've blocked the MS Update Site until further notice in my firewall nit to
break any more clients.

That is exactly what we did here. It is absolutely right. The problem went
away once si updated the DLL.
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Old 11-12-2009
Thomas Heikkila
Posts: n/a
Re: Server Error 403-Forbidden: Access Denied

I am having the same issue (Windows XP SP3) and it started sometime after
3:00 PM CST on the 10th. I updated 20 PCs before then with no problem. I
tried to update more later on and that is when I started having problems.

Updating the Windows Update agent fixed the problem, but for me the install
package would actually update the files, I ahd to manually copy them from a
PC with the right versions.
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Old 11-12-2009
Posts: n/a
Re: Server Error 403-Forbidden: Access Denied

this is happening to hundreds of computers at multiple businesses here.
Server 2003 and XP are affected. obviously no one is going to update several
hundred computers. microsoft needs to fix this.
perhaps updating the dll or agent would fix it, but this is 100%
unacceptable as this is affecting large scale numbers of pc's. techs like
myself are unable to manually update that many computers, not enough
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Old 11-12-2009
Dennis Lindqvist MCT
Posts: n/a
Actually. Just running Auto Update instead (or after) fixes the problem.
If you like to force Auto Update to run imedeatly use

wuauclt.exe /detectnow

If you are using a proxy hoowever, it van't use the user settings.
Configure it with proxycfg

proxycfg -u

Copies the current user settings to the system.

FYI: I just tried Microsoft Update and it's down for me (12-11-2009 10:00am
California Time).
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Old 12-12-2009
Posts: n/a
I got the download and it worked.

See "DIPSWITCH" Post.. I fixed 50+ systems today by downloading &


Ditto. Didn't happen till yesterday around the same time. Never had this
problem. until yesterday, and have been updating on a bi-weekly basis
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Old 12-12-2009
Posts: n/a
Re: Server Error 403-Forbidden: Access Denied

If you update to the new version and it does not work roll back to an old
version (i used 5.4.3790.2182) and when you go back to update website it will
update the windows update files (including the wuweb.dll)
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Old 12-12-2009
Posts: n/a
Ok, I checked the .dll on a brand new out of the box PC that I am setting up
for a client. It is the correct version as stated in this thread, but I
still got the 403 error. I did run the update exe file and at least got to
the update site so I could run the WGAVT so I'm keeping my fingers crossed.

Seems Bill and the boys (and girls) in Redmond can't stand success. Great
launch of 7 and now we're right back to the way things used to be....

I just tried this solution and I am able to get to the update site.

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Old 12-12-2009
Bill Swallow
Posts: n/a
RE: Server Error 403-Forbidden: Access Denied

I started getting that error last evening whilst patching my servers. I see
that other people have posted fixes here. My solution was a bit different.
In the left hand side of the browser window, I clicked 'Change Settings'.
Then I clicked the box in the new right-hand pane for 'Remove Microsoft
Update' and then 'Apply my settings now'. That ripped out Microsoft Update
and returned me to using 'Windows Update'. I launched Windows Update (it
wanted me to install something, I said 'Yes'), and then was back at the old
familiar 'Windows Update' screen - with the link to install 'Microsoft
Update'. I reinstalled it, and it's been working fine.

Incidentally, this started (for me) sometime around midnight last night
whilst, as I said, I was in the middle of patching 72 servers.
Interestingly, none of the 30 servers I patched before the incident started
showed this error. Every one I hit after the first occurrence - every last
one- showed that same '403' error. After reloading / relinking to Microsoft
Update, it seems to be remaining stable. Going back into Microsoft Update on
a 'repaired' server does not get the 403 error again.
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Old 12-12-2009
Eddie Bowers [MSFT]
Posts: n/a
This was caused by a bad DNS record that prevented older clients from being
able to resolve to the correct address to SelfUpdate ( Upgrade to the
latest Update client. )
This has been fixed, but it will take a while to propagate to all DNS
The newer clients use a different url, so they are not affected. This is
why updating the client manually avoids the problem.
The links to the latest clients are at:
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Old 04-10-2011
Join Date: Sep 2011
Posts: 1
Re: Server Error 403-Forbidden: Access Denied

I am an IT Admin myself and had this error creep up on one workstation only. After trying all other fixes (updating Windows Agent, hosts file, antivirus software, resetting all Windows update files, etc), the fix that Bill posted worked like a charm. Thanks!
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