Grey Cross on the Network Files and Folders

February 1, 2016

I received a request from the user who got her files and folders on a network drive inaccessible. They were crossed out with a grey cross.


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MAC Addresses on NLB Cluster

December 2, 2015

With my colleague we were working  on strange NLB cluster issue and were discussing Layer 2 data transmission and strange MAC addresses on NLB cluster. My colleague brought an interesting point to my attention

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Changing IP configuration remotely

November 23, 2015

Once I received a request to fix an issue with MAC computers that could not access any shared folders on Windows file server. The Windows clients were OK. Well, the very first troubleshooting step is to log into the server. However, I could not do this. I got a message saying that domain controller was not available and my credentials could not be verified.

It looked like this server could not find a domain using the DNS servers in its IP configuration. But how to check and modify it?

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Windows is unable to log you on when you try to access a shared folder

November 4, 2011

You can get the following error message when you try to access an administrative share on a Windows Vista or Windows 7 computer from another Windows computer:

“Logon unsuccessful: Windows is unable to log you on”

KB947232 can help to resolve the issue. The fix taken from the article is below

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Cannot Establish RDP Session After Restart

July 14, 2010

Sometimes you can not establish the RDP connection to a server or to a workstation right after restart. It is pingable, the remote connection is allowed, local logon works perfectly, but RPD connection does not work. What could happen? Read the rest of this entry »

IPConfig on remote computer

March 27, 2010

Sometimes it is necessary to take a look into an IP configuration on a remote computer.  RDP connection or PSExec + IPConfig will help in this case. Read the rest of this entry »