we have a problem installing dotNetFx40_Full_x86_x64.exe as a setup prerequisite on 2008 Server 64 bit (NOT R2). Sometimes, the installation fails with the following log message:
Skipping ByPassIf because Property 'InstallMode' was not defined
Skipping ByPassIf because Property 'DotNet40Full_TargetVersion' was not defined
Result of running operator 'ValueEqualTo' on property 'AdminUser' and value 'false': false
Result of running operator 'VersionLessThan' on property 'VersionNT' and value '5.1.2': false
Result of running operator 'ValueEqualTo' on property 'ProcessorArchitecture' and value 'IA64': false
Result of checks for command 'DotNetFX40\dotNetFx40_Full_x86_x64.exe' is 'Install'
'Microsoft .NET Framework 4 (x86 and x64)' RunCheck result: Install Needed
Verifying file integrity of C:\Users\ADMINI~1\AppData\Local\Temp\VSD45D4.tmp\DotNetFX40\dotNetFx40_Full_x86_x64.exe
WinVerifyTrust returned 0
Installing using command line '"C:\Users\ADMINI~1\AppData\Local\Temp\VSD45D4.tmp\DotNetFX40\dotNetFx40_Full_x86_x64.exe" /q /norestart /ChainingPackage FullX64Bootstrapper'
Process exited with code -2145091572
The exit code means WU_E_DSWU_E_DS_LOCKTIMEOUTEXPIRED, but it seems to be related to Windows Server Update Services. Because after viewing
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