WSUS patches will not install – Large CBS log file

There are several instances and variations but your automatic updates will indicate “files in use/locked” information or “corrupt patch” information. This is almost always accompanied by a very large CBS log file. (%windir%\logs\cbs\cbs.log) Windowsupdate.log file may indicate something similar to this: 2014-11-07 15:42:17:069 328 e9c Setup WARNING: CBS EvaluateApplicability returned error, error = 0x80070BC9 2014-11-07

Set MTU packet size on an adapter

Warning: These setting affect all packets sent to all destinations and performance can severly be affected. This is registry modification to hardcode specific MTU sices on a particular network interface:   Click Start, click Run, type regedit, and then click OK. Locate the following key in the registry: HKEY_LOCAL_MACHINESYSTEMCurrentControlSet ServicesTcpipParametersInterfaces On the Edit menu, point

How to reset GPO settings to default on Windows Server

Issue this command to reset GPO settings to their defaults (enter thisas one line): secedit /configure /db reset /cfg “c:windowssecuritytemplatessetup security.inf” /overwrite   Delete the registry.pol file if it exists (enter this as one line): del c:windowssystem32grouppolicymachineregistry.pol   Reboot the server

User logging in Windows for profile or group policy troubleshooting

This modification helps identify various logon problems including group policy processing and roaming profile issues. Very helpful but should be enabled for troubleshooting purposes only in verbose mode. Modify the following registry value: Subkey: HKEY_LOCAL_MACHINESoftwareMicrosoftWindows NTCurrentVersionWinlogon Entry: UserEnvDebugLevel Type: REG_DWORD Value data: 10002 (Hexadecimal) set this to 0x00030002 –this will give debug/verbose output: the log