BHCBlog linked to on Technet!
By Jesse | October 27, 2009
http://social.technet.microsoft.com/Forums/de-DE/windows_Serverde/thread/f83dd416-6d58-4bb8-84f8-4d2f92c213e1
Neat!! I’m the top link on a Microsoft TechNET article.!! Very cool!! Now if only I spoke German!
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FIX for : Configuration Manager: The Specified device instance handle does not correspond to a present device
By Jesse | October 17, 2009
We have encountered this issue several times…. the fix for this is to open regedit and browse to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\.
If there is an enum key here, rename it to old_renum
this should fix this issue related to Configuration Manager: The Specified device instance handle does not correspond to a present device.
Questions, comments or suggestions welcome.
Topics: How To | 1 Comment »
SSPI handshake failed with error code 0×8009030C while establishing a connection with integrated security. Event ID 17806
By Jesse | October 8, 2009
This article is solved in a previous post.
Basically this error is sometimes seen when you are trying to access sql from the SQL server either via ODBC or via an application such as during the installation or RMS (Rights Management Services) . To resolve this issue you can add the DisableLoopbackCheck registry entry.
this will fix the three errors you may see in Event Viewer on the SQL server. These errors are:
Failure Audit :: Login failed for user ‘<DOMAIN>\<USERNAME>’. (CLIENT x.x.x.x) where domain and username are the ones supplied to access SQL.
Error :: SSPI handshake failed with error code 0×8009030C while establishing a connection with integrated security; the connection has been closed (CLIENT: x.x.x.x) — Event ID 17806
Failure Audit :: Login failed for user “. The user is not associated with a trusted SQL Server connection.
To see the full resolution of this issue please follow this link.
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Fix for Login failed for user “. The user is not associated with a trusted SQL Server Connection.
By Jesse | October 8, 2009
This article provides a fix for the error:
Login failed for user “. The user is not associated with a trusted SQL Server Connection. (CLIENT: 127.0.0.1)
This error has several causes- one of which is an application or ODBC connection that is initiated from the same machine as the SQL server (ie the server is connecting to itself). The easiest fix for this is to temporarily or permanently disable the loopback check ….
- Edit the registry using regedit. (start –> run … Regedit <Enter>)
- Browse to : HKLM\System\CurrentControlSet\Control\LSA
- Add a DWORD value called “DisableLoopbackCheck”
- Set this value to 1
You should now find that the connection will complete successfully. Another place to check is in event viewer. For this particular error we had 3 events logged in event viewer:
1. Failure Audit :: Login Failed for user ‘<DOMAIN>\<USERNAME>’. (CLIENT 127.0.0.1)
2. Error :: SSPI handshake failed with error code 0×8009030C while establishing a connection with integrated security; the connection has been closed. (CLIENT 127.0.0.1)
3. Failure Audit :: Login Failed for user “. (CLIENT 127.0.0.1)
The above steps resolve this issue.
Below is an article that discusses in more detail disabling the loopback check.
http://support.microsoft.com/kb/896861
Topics: Uncategorized | 1 Comment »
IE hangs when dowloading a file
By Jesse | August 5, 2009
When sharing files with IIS, sometimes I find that some download file types hang on download.. This can be fixed by adding “Cache-Control: Must-Revalidate” to the “http headers” tab of the properties of the site.
add a custom http header:
header name : Cache-Control
Value : Must-Revalidate
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FIX: HTTP Error 401.1 – Unauthorized: Access is denied due to invalid credentials.
By Jesse | June 11, 2009
We have encountered several issues all caused by the same problem :
When on a sever, if you try to browse to a page on that server, you get a 401.1 error after being challenged several times.
Every time this was caused by denial of a loopback request. To test to see if this is your problem, add this registry key, then reboot the server. The registry key to add is :
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\
Add to this key a DWORD set to 1
DisableLoopbackCheck
then reboot.
If this does not fix your problem a number of other things to try.
- Many devices can cause problems in the network path, make sure the server is acutally throwing the 401.1 and not a proxy server. To do this goto the IIS logfiles in c:\windows\system32\logfiles. Check the log, find the request and verify the server returned a 401. If it’s in the log here, you are definitely hitting the server.
- Watch the traffic. Try using a tool like httpAnalyzer (http://www.ieinspector.com/httpanalyzer/) to view the network traffic. You get a 15 day trial with the download.
- Try a tool like Microsoft’s AuthDiag … It will allow you to simulate requests to the site and verify various permissions and authorizations are actually working.
- Verify credentials on the file. Make sure the ACL’s on the actual file are correct and that you do really have access.
- Try turning on basic authentication and see if the problem goes away. This can sometimes be a valid workable solution as long as the site will always be hit via SSL. As long as you’re using SSL, there is no risk in turning on basic authentication because everything is traveling in the ssl tunnel.
- If none of the above work.. feel free to post and we can see what we can think of.
Topics: Uncategorized | 2 Comments »
there are no more endpoints available from the endpoint mapper
By Jesse | June 3, 2009
I was writing an application recently, and hit this. The solution was to turn my Windows firewall back on. It was set to disabled and when I set it back to automatic, the error went away.
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Windows 7 New Features
By Jesse | May 29, 2009
Thought I would discuss windows 7 a bit since we’ve been running it here on a laptop for about a month now, and also word on the street seems to be that many companies will skip over vista and will upgrade production from Windows XP Pro to Windows 7.
The first thing we noticed is that it’s very “vista” like. It has many of the enhancements that vista offered but with much less UAC, and a few things in different locations.
for those of you that like to be able to see all your apps running at the bottom, Microsoft has finally come up with a great compromise and now, when you mouse-over each application in the task bar, it pops up a thumbnail list of every screen in the group.
(see the example below from the microsoft website)
This means that you now can see exactly what you have open with out all the clutter.
In addition, they no longer seem to have the quickstart toolbar. Instead, you can now pin applications directly to your taskbar which acts like the quickstart bar. The only thing we didnt like about this is the applications arent grouped, so if you have 5 things pinned to the taskbar and you then open the 2nd and 4th ones, you now have icons scattered in between your running applications down at the taskbar.
We also liked the fact that all the drivers on the Lenovo laptop we used were picked up on the first go around- Very nice to not have to go driver hunting any more. Gone are the Windows XP days of having to spend 1 hour or more rebuilding your system after reformatting. We did however have a few issues with getting network printers to work, and as of this posting, we still have not gotten duplex working on our duplex network printer. At this point we’re chalking it up to a RC bug due to unsupported drivers and will see if it improves once the product is fully released.
They also goosed up the network features… you can now connect to the VPN in 2 clicks right from the task bar which is nice.. and connecting to a wireless network no longer requires going to the network card or the network and sharing center.. you can now click on the network icon in the taskbar, then click the handy little connect button.
I’ll link to part 2 as soon as it’s up.. but for now, here the link on MS to the new features in W7.
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Liberum Helpdesk v1.0 functional copy
By Jesse | May 28, 2009
I have been working on version 1.0 of the liberum helpdesk project and have made significant changes to it. The copy I have is fully functional and works with SQL as the backend. I am also including several scripts I recommend running that generate nag messages.
The latest copy can be found here:
http://www.bhcblog.com/liberum1dot0.zip
If you have any feature requests please let me know.
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HOWTO: Where is WinMSD in Windows 7
By Jesse | May 7, 2009
Windows 7 carries over the tool from windows Vista. This tool has been renamed to msinfo32.exe. If you goto start –> msinfo32.exe
This should be the tool you’re looking for.
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