DEC0502_BAD_GATEWAY
NGINX could not connect to the upstream backend server.
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DEC0NGINX could not connect to the upstream backend server.
DEC0HAProxy has no healthy servers available in the backend pool.
DEC0The upstream server failed to respond within the proxy_read_timeout limit.
HEX0x800f0906DEC2148468998The source files could not be downloaded.
HEX0x800f081fDEC2148468767The source files could not be found.
HEX0x87d00669DEC2278557289Content cannot be found on Distribution Point.
HEX0x87d01106DEC2278560006Failed to verify executable/content hash.
HEX0x87d0027eDEC2278556286Management Point returned a bad HTTP status.
HEX0x87d00692DEC2278557330Group not found. Policy might be missing or invalid.
HEX0x87d00324DEC2278556452Application detection method failed.
HEX0x87d00215DEC2278556181Item not found in WMI.
HEX0x87d00455DEC2278556757Service is not available.
HEX0x87d00607DEC2278557191Content download timeout.
HEX0x87d00213DEC2278556179The job timed out.
HEX0x87d00664DEC2278557284Updates handler job limit reached.
HEX0x87d00668DEC2278557288Software update failed to install via Windows Update Agent.
DEC0Deadlock detected while waiting for resource.
HEX0x80070005DEC2147942405General access denied error.
HEX0x80004005DEC2147500037Unspecified error (The nightmare of SCCM admins).
CODE53Software caused connection abort.
CODE111Connection refused by the server.
CODE255Entrypoint script failed to execute.
DEC0The server's SSL certificate has expired or is not yet valid.
HEX0x5DEC5Access is denied.
HEX0x800700a1DEC2147942561The specified path is invalid (OSD).
HEX0x2DEC2The system cannot find the file specified.
HEX0x80070002DEC2147942402System cannot find the file specified (Task Sequence common error).
CODE1618Another installation is already in progress. Complete that installation before proceeding with this install.
CODE1603Fatal error during installation.
CODE1622Error opening installation log file. Verify that the specified log file location exists and that you can write to it.
CODE1620This installation package could not be opened. Contact the application vendor to verify that this is a valid Windows Installer package.
CODE1619This installation package could not be opened. Verify that the package exists and that you can access it, or contact the application vendor to verify that this is a valid Windows Installer package.
CODE1625This installation is forbidden by system policy. Contact your system administrator.
CODE1633This installation package is not supported by this processor type. Contact your product vendor.
CODE1601The Windows Installer Service could not be accessed. This can occur if the Windows Installer is not correctly installed. Contact your support personnel for assistance.
CODE1612The installation source for this product is not available. Verify that the source exists and that you can access it.
CODE1604Installation suspended, incomplete.
CODE1602User cancelled installation.
HEX0x80072ee2DEC2147954402The operation timed out (WinHTTP).
CODE1639Critical Windows Installer Error
HEX0x80070032DEC2147942450The request is not supported.
CODE1638Critical Windows Installer Error
CODE1641Critical Windows Installer Error
CODE3010Critical Windows Installer Error
DEC0Git process exited with a fatal error (e.g., permission denied, not a git repo).
DEC0A step in the GitHub Actions workflow failed with exit code 255.
CODE99Host is isolated from the HA cluster network.
CODE502The server request was invalid or the upstream server returned an invalid response.
CODE400The server cannot process the request due to a client error.
CODE403The server understood the request but refuses to authorize it.