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Could not create NTDS settings on domain controller...

Could not create NTDS settings yadayadayada on domain controller CN=yadayadayada. The RPC server is unavailable. This was the error message greeting me (with some meaningful text instead of the yadayadayada of course :)) when I tried to add a backup domain controller to the domain of our test and development...

Posted to C++ programming on Cloud 9 by vanDooren on Tue, Apr 14 2009
Filed under: Filed under: SysAdmin
The kerberos client received a KRB_AP_ERR_MODIFIED error

This is what I got in the event logs yesterday afternoon: Event Type: Error Event Source: Kerberos Event Category: None Event ID: 4 Computer: SE-SMURF01 Description: The kerberos client received a KRB_AP_ERR_MODIFIED error from the server PC-BLABLA09$. The target name used was . This indicates that the...

Posted to C++ programming on Cloud 9 by vanDooren on Thu, Apr 2 2009
Filed under: Filed under: General, Windows Platform, SysAdmin
Scheduled task would not run

The scheduled task for running ntbackup on our fileserver would not run anymore. It would stop with a return code of 0x80, and nothing worthwhile in the log file or event log. It ran fine for months, apart from the occasional hickup such as having no more free tapes in the loader, or a tape not being...

Posted to C++ programming on Cloud 9 by vanDooren on Wed, Feb 25 2009
Filed under: Filed under: General, Windows Platform, SysAdmin
More Terminal Server License Server weirdness

Last week I had a very peculiar problem with the Terminal Server licensing. I couldn't connect to the licensing server anymore, even though it was running. The Terminal Server Licensing app couldn't detect it anymore. The only thing that still worked was a network ping, but as far as Windows...

Posted to C++ programming on Cloud 9 by vanDooren on Tue, Jan 6 2009
Filed under: Filed under: SysAdmin
Backing up event logs in their normal binary format

Some time ago I was looking for a way to make backups of the eventlogs of our server, preferably without me ever having to do anything anymore J This was not success. There are a couple of tools to make text exports from eventlogs. These have the disadvantage that they make the logs very large and unsuitable...

Posted to C++ programming on Cloud 9 by vanDooren on Fri, Dec 19 2008
Filed under: Filed under: C++, Windows Platform, SysAdmin, cplusplus
Passed 70-290 today

I have been silent on my blog for the last couple of weeks. This is because I spent all my time preparing for my first Microsoft exam in a couple of years. But it has been worth it. Today I passed the Microsoft certification exam 70-290: Managing and Maintaining a Windows Server 2003 Environment. As...

Posted to C++ programming on Cloud 9 by vanDooren on Fri, Nov 14 2008
Filed under: Filed under: General, SysAdmin
Installing Zune software without internet connection

Last week I bought myself a zune, and since my main computer during the day is my company laptop, I wanted to install it on that one. Unfortunately, going to zune.net didn;t help because the first thing the installer does is to check if Windows Update is enabled. And if it isn't, it aborts. Of course...

Posted to C++ programming on Cloud 9 by vanDooren on Fri, Oct 24 2008
Filed under: Filed under: General, SysAdmin, Zune
Windows Instant On

Something I picked up on slashdot today: Microsoft is checking if people would want an 'instant on' version of Windows . As compelling as it sounds, I don't think it is that big a deal, and they shouldn't waste their time with it. These days, evey computer and laptop supports Standby...

Posted to C++ programming on Cloud 9 by vanDooren on Fri, Oct 17 2008
Filed under: Filed under: General, Windows Platform, SysAdmin
Installing a service pack: how much space do you need.

Yesterday I had to install VS2008 SP1 on a computer with limited disk space on C:\ Even though VS2008 itself was installed on D:\ the installer (which is 800MB) still required 3.3 GB of space on C:\ I molested C: until I had enough space to perform the upgrade, but I felt something was wrong. After some...

Posted to C++ programming on Cloud 9 by vanDooren on Tue, Oct 7 2008
Filed under: Filed under: General, Windows Platform, SysAdmin
Configuring an application through a batch file: what domain am I in?

I recently had to make an install script for one of my applications which manipulates the Active Directory. The app itself is executed via a scheduled batch file, and it expects the domain name as a command line parameter. I wanted the batch file to figure out on its own what the domain was of the computer...

Posted to C++ programming on Cloud 9 by vanDooren on Thu, Sep 25 2008
Filed under: Filed under: SysAdmin
Scheduling tasks via a batch file: where am I?

One of the things that comes with configuring software for a controlled environment is that every single thing involved has to be documented. Some people fail to realize what this means. It means that my installation cannot contain a trivial phrase like 'Add xyz.exe to the scheduled tasks, and have...

Posted to C++ programming on Cloud 9 by vanDooren on Mon, Jun 9 2008
Filed under: Filed under: General, SysAdmin
Ntbackup.exe and the task scheduler

Last week we discovered that our weekly backup had failed. The only clue we had was the return code 0x1f. There were no log files, or messages in any of the event logs. It was already the second time this had happened, but the first time the return code was 0. After some googling I discovered that the...

Posted to C++ programming on Cloud 9 by vanDooren on Tue, May 13 2008
Filed under: Filed under: SysAdmin
License server doesn't serve license

Did you know that a Windows2003 Licensing server does not manage Terminal Server 'Per User' CALs? It is really stupid, but from a licensing point of view, a terminal server that is configured to use 'Per User' licenses only checks if it can find a license server. As soon as it does, the...

Posted to C++ programming on Cloud 9 by vanDooren on Wed, Mar 19 2008
Filed under: Filed under: SysAdmin
Getting rid of the duplicate SPN in Active Directory

Last week I noticed an error in the domain controller event log with Event ID 11: Event Type: Error Event Source: KDC Event Category: None Event ID: 11 Date: 2/29/2008 Time: 1:43:18 PM User: N/A Computer: SE-DOMAINCONTROLLER01 Description: There are multiple accounts with name MSSQLSvc/ComputerName.DomainName...

Posted to C++ programming on Cloud 9 by vanDooren on Tue, Mar 11 2008
Filed under: Filed under: SysAdmin
gpupdate and psexec, and a moment of D'oh

I had to do a security change today which required each XP machine to first update its policies, and then reboot to make sure that the required changes went into effect immediately. To do the update I used psexec in conjunction with gpupdate /force to tell each machine to update its policies remotely...

Posted to C++ programming on Cloud 9 by vanDooren on Sat, Feb 23 2008
Filed under: Filed under: SysAdmin
Active Directory disjointed namespace problems

Last week I was redlining SOPs (Standard Operating Procedures) on a test network for some of the Windows Domain specific situations we sometimes encounter on our process control network. This specific SOP handled Domain Controller promotion and demotion for our process network. It should be noted that...

Posted to C++ programming on Cloud 9 by vanDooren on Tue, Jan 22 2008
Filed under: Filed under: SysAdmin
Terminal Server licensing pitfall

Today I got a phone call from one of the automation engineers, who told me that he couldn't connect to one of the terminal servers anymore. I set out to investigate, and while verything seemed to be in order, the server management page indicated that the terminal services were not licensed for the...

Posted to C++ programming on Cloud 9 by vanDooren on Mon, Dec 17 2007
Filed under: Filed under: SysAdmin
Group Policy gotchas

Yesterday I discovered 2 Group Policy gotchas the hard way.Since these things are not written down anywhere, I figured I'd post them on my blog.Note that I am not an enterprise level systems administrator. I am a systems administrator for a single forest single trees single domain network. As such...

Posted to C++ programming on Cloud 9 by vanDooren on Tue, Dec 4 2007
Filed under: Filed under: SysAdmin
Disabling mass storage in a Windows network environment

One of the issues involved in running a pharmaceutical process network is that QA has to give its blessing to the network to allow your company to produce meds. For example, QA has to be convinced that all actions are auditable, that people don't have more rights than they should... One of the other...

Posted to C++ programming on Cloud 9 by vanDooren on Tue, Dec 4 2007
Filed under: Filed under: SysAdmin
Disaster Recovery: What to do when the SA account password is lost in SQL Server 2005

As a DBA you might have come across this situation where you have forgotten the sa password for SQL Server - so what can you do? If you are experienced with such situation then definetly you might have an alternative solution to keep the passwords in...

Posted to SQLServer-QA.net - Knowledge Sharing Network (SSQA.net) by on Tue, Jul 24 2007
Filed under: Filed under: sql server, security, disaster recovery, sa, password, sysadmin, privilege

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