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# win_regmerge – Merges the contents of a registry file into the Windows registry

- Synopsis

- Parameters

- Notes

- See Also

- Examples

- Return Values

- Status

## Synopsis

- Wraps the reg.exe command to import the contents of a registry file.

- Suitable for use with registry files created using win_template.

- Windows registry files have a specific format and must be constructed correctly with carriage return and line feed line endings otherwise they will not be merged.

- Exported registry files often start with a Byte Order Mark which must be removed if the file is to templated using win_template.

- Registry file format is described at https://support.microsoft.com/en-us/kb/310516

- See also win_template, win_regedit

## Parameters

Parameter | Choices/Defaults | Comments
--- | --- | ---
compare_key string |  | The parent key to use when comparing the contents of the registry to the contents of the file. Needs to be in HKLM or HKCU part of registry. Use a PS-Drive style path for example HKLM:\SOFTWARE not HKEY_LOCAL_MACHINE\SOFTWARE If not supplied, or the registry key is not found, no comparison will be made, and the module will report changed.
path path / required |  | The full path including file name to the registry file on the remote machine to be merged

## Notes

Note

- Organise your registry files so that they contain a single root registry key if you want to use the compare_to functionality.

- This module does not force registry settings to be in the state described in the file. If registry settings have been modified externally the module will merge the contents of the file but continue to report differences on subsequent runs.

- To force registry change, use win_regedit with `state=absent` before using `win_regmerge`.

## See Also

See also

win_reg_stat – Get information about Windows registry keys

  The official documentation on the win_reg_stat module.

win_regedit – Add, change, or remove registry keys and values

  The official documentation on the win_regedit module.

## Examples

    - name: Merge in a registry file without comparing to current registry
      win_regmerge:
        path: C:\autodeploy\myCompany-settings.reg

    - name: Compare and merge registry file
      win_regmerge:
        path: C:\autodeploy\myCompany-settings.reg
        compare_to: HKLM:\SOFTWARE\myCompany

## Return Values

Common return values are documented here, the following are the fields unique to this module:

Key | Returned | Description
--- | --- | ---
compare_to_key_found boolean | when comparison key not found in registry | whether the parent registry key has been found for comparison
compared boolean | when a comparison key has been supplied and comparison has been attempted | whether a comparison has taken place between the registry and the file Sample: True
difference_count integer | changed | number of differences between the registry and the file Sample: 1

## Status

- This module is not guaranteed to have a backwards compatible interface. [preview]

- This module is maintained by the Ansible Community. [community]

### Authors

- Jon Hawkesworth (@jhawkesworth)

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