# jN forced in submake: disabling jobserver mode
**URL:** https://forums.digi.com/t/jn-forced-in-submake-disabling-jobserver-mode/11748
**Category:** NET+OS
**Tags:** connect, me, 9210
**Created:** [July 18, 2013, 10:23am UTC](https://forums.digi.com/t/jn-forced-in-submake-disabling-jobserver-mode/11748 "2013-07-18T10:23:22Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@gavello](https://forums.digi.com/u/gavello)
#### Post date: [July 18, 2013, 10:23am UTC](https://forums.digi.com/t/jn-forced-in-submake-disabling-jobserver-mode/11748/1 "2013-07-18T10:23:22Z")
When building a NET+OS Project i receive this warning…
make[1]: warning: -jN forced in submake: disabling jobserver mode.
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### Author:  [@Campbell](https://forums.digi.com/u/Campbell)
#### Post date: [July 18, 2013, 10:43am UTC](https://forums.digi.com/t/jn-forced-in-submake-disabling-jobserver-mode/11748/2 "2013-07-18T10:43:59Z")
What version of Netos?
Make sure your paths are correct, do you have other versions of Netos running on this machine.
Please note that Netos 7.5 is supported on a 32 bit windows 7 not a 64 bit.
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### Author:  [@gavello](https://forums.digi.com/u/gavello)
#### Post date: [July 18, 2013, 1:13pm UTC](https://forums.digi.com/t/jn-forced-in-submake-disabling-jobserver-mode/11748/3 "2013-07-18T13:13:43Z")
Netos 7.5 and windows 7 not a 64 bit that’s could explain why compiling and debugging even the simplest demo application seems to give bad results like no serial output… thanks