Category Archives: WireShark

Case of ConfigMgr Setup Updates Failing–Error 0x80072efe

ConfigMgr setup successfully downloaded several thousand files during pre-requisite downloads, then failed with error: An error has occurred while attempting to download or verify required prerequisite components and Setup cannot continue. Review the configmgrsetup.log file for further details. Opening C:\configmgrsetup.log … Continue reading

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Poor PAC File Performance–A WireShark Example

A problem I have come across repeatedly in large enterprises is poor web browsing performance due to over engineered PAC file. One of the most common causes of issues I’ve found is poor DNS resolution performance in conjunction with extensive … Continue reading

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