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note: trim on hostname for autoscale instances #575

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note: trim on hostname for autoscale instances #575

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14 changes: 14 additions & 0 deletions source/adminguide/autoscale_with_virtual_router.rst
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Expand Up @@ -176,6 +176,20 @@ Specify the following:
<virtual_machines.html#user-data-and-metadata>`_.


.. note::
Hostnames for instances in an AutoScale Instance Group are automatically
generated from the group name and sanitized to meet the OS hostname rules
of the template. If the generated name exceeds the allowed limit,
it will be trimmed to fit within the limit. The limits are:

- **Windows templates:** 15 characters (NetBIOS limit).
- **Other OS templates:** 63 characters.

Unsupported characters may be normalized (for example, lower-cased or
replaced) to comply with OS constraints.



AutoScale Policies
-------------------------------------------------

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