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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for January 17th, 2013

vSphere 5.1 (ESXi 5.1) can run any hardware level since ESX Server 3.5

Posted by jpluimers on 2013/01/17

Last year, I missed this tiny sentence:

So in plain English, any VM that was generated on VMware ESX Server 3.5 or later can run atop ESXi 5.1 unchanged.

Which means it is a snap to move your VMs from older ESX / ESXi / vSphere versions as long as they are ESX 3.x or later.

In fact hardware version 7 has the widest compatibility amongst ESX/ESXi/vSphere/Fusion/Workstation/Player versions (see the table at the bottom).

The free version still has a 32 gigabyte physical RAM limit (people are still confused by the vRAM / Physical RAM distinction, especially since vRAM is not limited any more). Read the rest of this entry »

Posted in ESXi4, ESXi5, ESXi5.1, Excel, Fusion, Power User, VMware, VMware ESXi, VMware Workstation, Word | Tagged: , , , , , , , , , , , , | Leave a Comment »

Microsoft Office Communicator: error message with ID 504 means “you think the other party is on-line, but it is off-line”

Posted by jpluimers on 2013/01/17

Every once in a while, Office Communicator indicates a contact is not off-line and allows me to send messages to him/her, but then gives an error 504.

The reason is that the off-line status replicates slowly, so you were not aware your contact went off-line while typing the message.

The Error ID 504 is just an unfrienly way of saying “your contact went off-line, but you didn’t know that when sending the message, and I don’t have a friendly way of telling you this”.


via: Communicator 2007 R2 Help on Error ID 504.

Posted in Communicator, Office, Power User, Windows, Windows 7, Windows XP | Leave a Comment »

Mid 2013: Lenovo IdeaCentre Horizon Table PC supports 10-finger, guesture, multiple-user & 2 hr battery life.

Posted by jpluimers on 2013/01/17

In the past you have seen my interest in multi-touch Windows devices (for instance the Dell’s S2340T 23″ Multi-touch monitor and Microsoft Surface 2.0).

This year a I expect vendors to deliver Windows 8 based computers that resemble a lot of the Microsoft PixelSense (formerly “Microsoft Surface”) technology:

  • 10 or more finger touch
  • guesture support
  • multi-user
  • capability to see more than just fingers (i.e. tags, or mobile controllers)

Lenovo seems the first to announce, with an expected availability in June 2013: IdeaCentre Horizon Table PC, with support for 10-finger, guesture, multiple-user, and two-hour battery life.


Posted in Development, Microsoft Surface on Windows 7, Power User, Software Development, Windows, Windows 7, Windows 8 | Tagged: , , , , , , , , | Leave a Comment »

in light of the zero-day Java exploits: JRE removal/install tool JavaRa from SingularLabs

Posted by jpluimers on 2013/01/17

Even though the JavaRa tool is Windows-only, it is a tremendous help scraping old vulnerable versions of the Java Runtime Environment (JRE) from your systems and keeping only the fixed versions.

Regular JRE installs from Oracle/Sun will keep the old-and-vulnerable JRE versions.

(note that it seems the recent JRE update did not actually fix the vulnerability, just the exploit, and that a new Java vulnerability might already be exploited. Be sure to keep a watch upcoming Java updates for these).


JavaRa is an effective way to deploy, update and remove the Java Runtime Environment (JRE). Its most significant feature is the JRE Removal tool; which forcibly deletes files, directories and registry keys associated with the JRE. This can assist in repairing or removing Java when other methods fail.

JavaRa 2.1 (released 20130116) Read the rest of this entry »

Posted in Development, Java, Power User, Software Development, Windows, Windows 7, Windows 8, Windows Server 2000, Windows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2, Windows Vista, Windows XP | Tagged: , , , , , , , , | 1 Comment »

New PDF scans: Turbo Assembler/Debugger (1993/1994), Borland C++/Object Windows Library (1993)

Posted by jpluimers on 2013/01/17

The PDF Archive at has recently put online these raster image PDF scans from Turbo Assembler/Debugger (1993/1994) and Borland C++/Object Windows Library (1993)

Remnants of the past, usefull for RAD Studio, Delphi and C++ Builder developers wanting to know a bit of history (: Read the rest of this entry »

Posted in Assembly Language,, Borland C++, C, C++, Delphi, Development, History, Pascal, Software Development, Turbo Assembler, Turbo Pascal, x86 | Tagged: , , , , , , , | 2 Comments »

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