: Does installing PHP using the Microsoft IIS Web Platform Installer require a restart? Does installing PHP using the Microsoft IIS Web Platform Installer require a restart? I don't want downtime.

@Steve110

From the previous times I have used it, I don't recall being prompted for a restart (although I usually install manually). The best way to verify this would be to setup a dev server and test it. This should be standard procedure before doing anything in a production environment, especially if you are concerned with downtime.

Measure twice...cut once.

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@Pope3001725

It doesn't look like it is required but is recommended.


Best Practices for Using Web PI

Follow these best practices to prevent
errors or installation issues when
using the Web PI.

Close all programs and restart your
computer.

The Web PI functions by running the
setup for the selected applications
one after the other, as in a chain.
These setup programs are run
“silently,” meaning they run without
displaying a user interface. In some
cases, setup programs will block an
installation if certain applications
are running. For this reason, all
applications should be closed or
stopped. A simple way to do this is to
restart your computer. If an
application is configured to start
when Windows starts, you will need to
close it manually.

Sometimes the Web PI encounters a
problem due to a pending restart.
Certain operations require a restart
(for example, if system dynamic-link
libraries (DLLs) are replaced by a
system update or hotfix installation).
Setup programs can, and do, block the
installation when a restart is
pending.

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