In windows server 2008, if we go to Network Security: LAN manager authentication level(gpedit.msc -> Computer Configuration -> WindowsSettings -> SecuritySettings LocalPolicies -> securityoptions ) and right click on it, we cannot change the value of the authentication level. It is greyed out. To change this we need to go to following registry entry.. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\LmCompatibilityLevel and set the value. LmCompatibilityLevel should be 0 for Send LM & NTLM responses 1 for Send LM & NLTM - use NTLMv2 session security if negotiated 2 for Send NTLM response only 3 for Send NTLMv2 response only 4 for Send NTLMv2 response only\refuse LM 5 for Send NTLMv2 response only\refuse LM & NTLM
If you are unable to get the performance metrics of a machine: Running this command from command prompt may help: lodctr /r Check if all are enabled: lodctr /q
Sometime there may be a possibility that Cisco AnyConnect Secure Mobile Client can crash and service will be continuously crashing if you go and see it in services.msc. I faced this issue when my laptop was shutdown forcefully and below I listed the resolution I found.. Client Version: 3.1.04049 Resolution: Open the browser you have been using. From the options, delete the complete browsing data stored. Then I found that service was crashing but it gave me a couple of secs opportunity to enter my password to connect to my VPN. I entered my password quickly and then I was successfully able to connect to the VPN and didn't face this issue again. Stupid resolution but still it may be useful for few more people here..
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