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AivisNewBie March 8th, 2018 12:57 PM

Beckhoff TC2 ADS Error 1796 writting/reading not permitted
Hello all,

I ran in to some trouble.
I created 2 virtual machines to try out ADS communicating One machine is a PLC (TC2 32bit (runtime)), other is (should be) a client (TC2 64bit engineering+ Visual studio adsAPI) that should read/write from/to PLC VM.

1. problem : TC2 64 bit engineering does not find a PLC VM. (i know it is possible to find it ( )but mine does not find it)

2 problem: (bigger one). I can find this VM PLC from other 32bit VM with TC2 32bit, but when I try to "add route" I get ADS error 1796.

I saw one post on this forum about very similar issue(, but could not find answer here.

Maybe someone here tried this out and could help me out?

thanks you all in advance :)

AivisNewBie March 12th, 2018 01:49 AM

For those who are instrested I managed to fix my problems.

2 Problem [Solved]: silly mistake Beckhoff add route requires PC name and password so entering it removes the problem and route is added

1 Problem [Solved]: dont know why but TC2 64 bit (engineering) does not install good on Win 7 (pro), trying this on W10 mashine worked like a charm :)

hope this helps someone :)

ivo.maenen March 12th, 2018 02:43 AM

TC2 64-bit:

did you install as 'run as admin'?

I run TC2 64-bit on windows 7 (home), no problem.

AivisNewBie March 12th, 2018 11:58 AM

I tried to install it again as "Admin" but no luck, the symbol of TC2 (the one that is blue in config mode) is blank on W7 pro (Virtual Machine) :)

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