# Timing for Sending of Program Change Messages?

**URL:** <https://forums.steinberg.net/t/timing-for-sending-of-program-change-messages/1032636>\
**Category:** VST Live\
**Tags:** issue\
**Created:** [May 15, 2026, 6:23pm UTC](https://forums.steinberg.net/t/timing-for-sending-of-program-change-messages/1032636 "2026-05-15T18:23:57Z")\
**Posts on this page:** 1\
**Showing post:** 10

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**Author:** ![sergeantt67](https://avatars.discourse-cdn.com/v4/letter/s/ba8739/32.png) [@sergeantt67](https://forums.steinberg.net/u/sergeantt67)\
**Post date:** [May 18, 2026, 3:04pm UTC](https://forums.steinberg.net/t/timing-for-sending-of-program-change-messages/1032636/10 "2026-05-18T15:04:16Z")

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Could this be due to the Microsoft Windows MIDI Services rollout? They’ll be rolling out fixes there until the end of May.

> [@The Microsoft Windows MIDI Services rollout -- Important info](https://forums.steinberg.net/t/the-microsoft-windows-midi-services-rollout-important-info/1025581/2):
>
> Posting this so we can point people to this post vs cluttering up the forums with discussion about Microsoft bugs. The Windows MIDI Services rollout started at the end of January. Since that time, [we’ve found a few issues](https://devblogs.microsoft.com/windows-music-dev/windows-midi-services-rollout-known-issues-and-workarounds/). Some of which have already been fixed and have those fixes going out to customers starting the end of last month. None of those issues appeared during a year of testing with partners. We had many hardware and software partners, as well as customers involved. However, not eve…

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