While applying a cumulative update I ran across the following error.
Warning: An unexpected error has occurred and a Watson dump is being generated: Could not find a part of the path 'C:\Windows\Temp\ExchangeSetup\bin\EnterpriseServiceEndpointsConfig.xml'.
The Exchange setup log essentially repeated this same error, without any additional clues. The C:\Windows\Temp\ExchangeSetup\ folder is a staging area used by setup to unpack temporary files. These files are copied to this temporary location during the ‘Initializing Setup’ and ‘Copying Files’ steps.
When navigating to this folder it became apparent that not only was the file in question missing but the entire parent folder too. [Read more…] about Cumulative Update cannot find EnterpriseServiceEndpointsConfig.xml