Microsoft has removed the 10 half-open TCP connections limit

I received the following from my friend, ‘Andrew from Vancouver’.  Pretty interesting… ***** I just noted that in the Windows Server 2008 and Vista SP2 “What’s significant” document, that Microsoft has removed the 10 half-open TCP connections limit that they introduced to impede worms and bots on Windows XP SP2. http://technet.microsoft.com/en-us/library/dd335036.aspx “SP2 removes the limit [...]

Converting an x509 SSL certificate from a Linux node into one usable for IIS on Windows

I don’t know how many other people out there might ever need to do something like this. Say you have a Linux web server using an SSL certificate, and you need to put that same certificate onto a Windows server for use with IIS. Here is how you would accomplish it. You’ll need the openssl [...]

Getting a Substring Out of Batch

One of my friends, Andrew from Vancouver, sent me this extremely useful tip about how to grab a sub-string via BATCH. <snip> here’s a CMD shell tip that works in W2K, WXP, and W2K3. There is a BASIC MIDSTR function equivalent in batch files… use this syntax as a modifer: ~:start,end e.g. set foo=\\servername @echo [...]

How the TCP Windows change in Vista and Windows 2008

If you want a better understanding of how TCP Windows work and how they interact with round trip time to contribute to delays that you may experience with network communications, I recommend reading this newsletter by Mark Minasi, specifically the ‘Vista and 2008′s New TCP Windows’ section.

Audit your computer’s network settings

If you’ve ever tried to audit the speed and duplex settings of NICs in a windows environment, I’ll bet you’ve been frustrated by the fact that you can’t seem to find the answer to this anywhere in the registry or WMI, etc. etc. Yet you know it has to be recorded somewhere because the little [...]

Audit your computer’s network settings

If you’ve ever tried to audit the speed and duplex settings of NICs in a windows environment, I’ll bet you’ve been frustrated by the fact that you can’t seem to find the answer to this anywhere in the registry or WMI, etc. etc. Yet you know it has to be recorded somewhere because the little [...]

OWA stops working and users get ‘page could not be displayed’ errors

If your users suddenly begin complaining of ‘page could not be displayed’ errors when accessing OWA (or any web page hosted with IIS, for that matter) – it could be that they’re victims of your IIS server refusing connections due to low available nonpaged pool memory.

OWA stops working and users get ‘page could not be displayed’ errors

If your users suddenly begin complaining of ‘page could not be displayed’ errors when accessing OWA (or any web page hosted with IIS, for that matter) – it could be that they’re victims of your IIS server refusing connections due to low available nonpaged pool memory.

Generate a list of the servers in your Active Directory (from cmd line)

Want to quickly generate a list of all of the servers located in your Active Directory? Get adfind.exe from www.joeware.net, and then from a cmd prompt, do: adfind -config -f “objectclass=server” -nodn name -csv -csvnoq > serverList.ini This will create a list of all servers in your environment, and put them in a file called [...]

Failing CPU fan results in classical music

Funny, but true: http://support.microsoft.com/kb/261186. If your computer randomly starts playing “It’s a Small, Small World” it may actually be by design.

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