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The Infamous /3gb Startup Switch

June 27, 2008

What is it ?
Windows Server 2003 includes support for a startup switch that lets you tune the allocation of use of memory and memory address space. Regardless of the amount of physical memory in your system, Windows uses a virtual address space of 4 GB, with 2 GB allocated to user-mode processes (for example, applications) [...]

Filed under: General, Windows | Comments (0)

How to find out your server uptime

April 11, 2008

Using Uptime utility from Microsoft you can get your server uptime (i.e time since the last reboot) which can come in handy particularly when you are trying to troubleshoot a server’s unexpected reboot and failures.
Uptime.exe can be used to display the current uptime of the local or remote system. Optionally, it can also scan the [...]

Filed under: Windows | Comments (0)

How to rename a Windows Server 2008 domain

April 4, 2008

Previously you have been able to use RENDOM utility provided by Microsoft to rename your Window 2000 and Windows Server 2003 domains. However in Windows Server 2008 domain you don’t have to separately install Rendom utility. It gets installed as part of “Active Directory Domain Services” role when you promote a server to the DC [...]

Filed under: Active Directory, Windows, Windows Server 2008 | Comments (0)

Prevent users from joining workstations to domain (at their will)

March 31, 2008

Every domain has a default setting for ms-DS-MachineAccountQuota value 10. This means that any user can add up to 10 machines to a domain. You can modify this object in directory by using ADSIedit tool to prevent this behavior.
Warning: Using ADSIedit can have adverse effects on your Active Directoy environment, if not handled with proper [...]

Filed under: Active Directory, Windows | Comments (0)

Find out where and why an Account Lockout happened

March 29, 2008

Where Account Lockouts save us from brute force password attacks and help us standardize our environment for password policies, sometimes it can be painful to troubleshoot and find out why and where it happened. Microsoft does provide us with the ‘Account Lockout Management Tools’ suite which can be very handy to diagnose the root cause [...]

Filed under: Active Directory, Group Policy, Windows | Comments (0)

Import AD subnets into Reverse Lookup Zones

March 29, 2008

Sometimes you have a task on your hand for your Active Directory environment but it isn’t an easy one, or lets just say that not many people have come across having a need for it (so not a whole lot you can google for). I recently had a situation like this. Basically in our AD [...]

Filed under: Active Directory, Windows | Comments (0)

Reset Active Directory Restore Mode password

March 24, 2008

Maybe the most forgotten password is the one for Directory Services Restore Mode (DSRM) because it’s created only when a DC is built, and used only during critical DC recovery operations, which hopefully does not happen very often. Not knowing this password can prevent a successful recovery.
If you don’t know your DSRM password and haven’t [...]

Filed under: Active Directory, Windows | Comments (0)

So really, what are FSMO roles ?

February 29, 2008

FSMO (pronounced - fiz-mo) roles are essentially domain controllers with higher power than their peer DCs hence the name Flexible Single Master Operation, the word flexible is perhaps in there since you do have the flexibility to move these roles around (the word floationg has been referenced at some places as well). From the name [...]

Filed under: Active Directory, Windows | Comments (0)

Windows Live SkyDrive

February 24, 2008

Long after there have been hundreds of free online space givers have emerged, Microsoft has recently jumped in with their own flavor. Windows Live SkyDrive is a free online space that gives away 5gb space for your music, data, pictures, and videos. Along with that there is also a ‘public folder’ feature available similar to [...]

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Admin Tools from the command line/ run command

February 18, 2008

If you are like me and often have to go and look for the command line shortcuts apart from the ones you use on daily basis and are easy to remember (i.e mstsc, dsa.msc, compmgmt.msc) for launching the administrator tools in Windows Server 2003. Here is an handy list you can print out and hang [...]

Filed under: Active Directory, Windows | Comments (0)