Symptoms:Your Latitude laptop cannot be shut down or restarted at all when on docking station model Standard E-Port Replicator. It shuts down without the docking station though. The typical behavioral pattern is as follows: you start the laptop with a mounted E-Port Replicator after that unmount/undock, then mount the laptop back again and try… Continue reading Dell Latitude E6400 Shutdown Problem
How to Recreate DELL Utility Partition
Symptoms: During boot process you press F12 to access DELL Diagnostics. You receive a message "DELL utility partition can’t be found" Cause: This can happen if DELL’s hidden OEM partition has somehow become corrupt or is deleted or unavailable. For example if you replaced your HDD. Or if you reinstalled an OS, deleteing… Continue reading How to Recreate DELL Utility Partition
Sfc error code 0x000004dd
Symptoms: Whenever you try to run sfc /scannow you get the following error: "Windows File Protection could not initiate a scan of protected system files. The specific error code is 0x000004dd [The operation being requested was not performed because the user has not logged on to the network. The specified service does not exist]."… Continue reading Sfc error code 0x000004dd
Erasing GPT disk with dd
I just had a nasty experience under Linux: this is actually by default for windows administrators, I know, but still… The task was to recreate a logical volume using LVM, utilizing old hard disks. The online recommendation in such cases is to erase the data from the disks before assigning them to a (physical) volume… Continue reading Erasing GPT disk with dd
Microsoft® iSCSI Target 3.3 availability and performance white paper (2010)
noname studio published: December 2010 (download as pdf) Abstract In October 2010 noname studio conducted independently a set of iSCSI performance benchmarks using the lately available Microsoft® iSCSI Target 3.3, distributed to OEMs with Windows Storage Server 2008 R2 editions. The test series were focused on a gigabit Ethernet over copper (1000BASE-T) with a single… Continue reading Microsoft® iSCSI Target 3.3 availability and performance white paper (2010)
Microsoft® iSCSI Target 3.2 availability and performance white paper (2010)
noname studio published: December 2010 (download as pdf) Abstract In April 2010 noname studio conducted independently a set of preliminary iSCSI performance benchmarks using the available Microsoft® iSCSI Target 3.2, distributed to OEMs with Windows Storage Server 2008 editions. The test series were focused on a gigabit Ethernet over copper (1000BASE-T) with a single link.… Continue reading Microsoft® iSCSI Target 3.2 availability and performance white paper (2010)
16 Nodes Restriction for Hyper-V High Availability?
I wonder if someone has already extensively written about this. Even better if Microsoft can disclaim my concern, but from what I could read between the lines the above mentioned limitation can turn out to be true. To start the other way around: I recently was browsing multiple Microsoft sites full with marketing promises about… Continue reading 16 Nodes Restriction for Hyper-V High Availability?
How to rearm and change activation key on Windows
Recently I experienced a 3 hours LOB delay because of Microsoft’s infamous activation policy. The background was trivial: P2V migration. Should work right out of the spot, right? I mean, using Sysinternal’s disk2vhd is a straight-forward process and moving to a Microsoft homogenous environment – meaning, moving to Hyper-V – should be a piece of… Continue reading How to rearm and change activation key on Windows
DNS request timed out. Timeout was 2 seconds. Server: Unknown
DNS request timed out. Timeout was 2 seconds. Server: Unknown If you are experiencing this problem – seeing this small message followed by correct DNS resolution, using nslookup – then this blog is for you. Here I will show how the problem was fixed. With it a bunch of other problems as well… So here… Continue reading DNS request timed out. Timeout was 2 seconds. Server: Unknown