Users of the newly released Remote Desktop Manager 9.0 will notice that there's now a 64-bit version installed alongside the 32-bit version. Upon running this 64-bit version, you'll notice how much slower it is than the 32-bit version. I posted it on the Devolutions forum and got this reply, designating it as a known issue with 64-bit .NET.

Quote
Hi,
Unfortunately this is known issue with .NET 64.

http://stackoverflow.com/questions/12979774/net-4-0-app-slower-on-64-bit-than-32-bit-profiling-and-possible-solutions-ap

By the way we recommend to use the 32 bit version of RDM ans switch to the 64 version only if you get some memory limitation. We have more technology  ...

After installing Microsoft .NET Framework 2.0 on a Windows 2000 Server, I got a flood of Event ID 1008 in the Application system log. These log entries complain about performance counters not being able to be properly initialized.



First, try running these two commands sequentially from an NT console:

winmgmt /clearadapwinmgmt /resyncperf

Because it didn't work for me, I worked around the issue by disabling the performance counter for the particular ASP.NET services. For this, you need to download an application of the Windows 2000 Resource Kit Tools for administrative tasks, called Extensible Performance Counter List (exctrlst.exe).

After downloading (and installing) the tool, start it  ...