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The ID should never change it's unique to each PC. Are you Talking about the Password changing?
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The ID should never change it's unique to each PC. Are you Talking about the Password changing?

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As commented above by &nbsp;ktaczala ID is unique to each installation. It will change only when you reinstall OS.<br />
FYI for internal network use you dont need ID you connect by IP.<br />
<a href="https://community.teamviewer.com/t5/Knowledge-Base/Can-TeamViewer-be-used-within-a-local-network-LAN-only/ta-p/4618" rel="ugc">https://community.teamviewer.com/t5/Knowledge-Base/Can-TeamViewer-be-used-within-a-local-network-LAN-only/ta-p/4618</a><br />
<br />
Thanks<br />
MAS
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As commented above by  ktaczala ID is unique to each installation. It will change only when you reinstall OS.
FYI for internal network use you dont need ID you connect by IP.
https://community.teamviewer.com/t5/Knowledge-Base/Can-TeamViewer-be-used-within-a-local-network-LAN-only/ta-p/4618 [https://community.teamviewer.com/t5/Knowledge-Base/Can-TeamViewer-be-used-within-a-local-network-LAN-only/ta-p/4618]

Thanks
MAS

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i Set-up my Teamviewer in Lan Connection Because my Internet Connection Very Slow, When I set UP in Lan Connection it Worth fast to view or manage another computer, The only problem is everyday the Teamviewer ID has change, when it connect to another computer it failed because the ID has change? What can i do to fix this Problem?
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i Set-up my Teamviewer in Lan Connection Because my Internet Connection Very Slow, When I set UP in Lan Connection it Worth fast to view or manage another computer, The only problem is everyday the Teamviewer ID has change, when it connect to another computer it failed because the ID has change? What can i do to fix this Problem?

LAN Connection Problem

Remote access may refer to the connection to a data-processing system from a remote location, for example through a virtual private network remote desktop software, terminal emulation, or the activation of features of a business telephone system from outside the business's premises.