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There is no license fetched over the VPN connection.
This Technical Note applies to IAR System products that uses License Management System version 2 (LMS2).
Having all the above said, these are some generic suggestions on troubleshooting VPN that we have obtained from various customer IT departments:
ping <server ip address> -f -l 1244
The ping command above is a test to determine highest MTU Setting
from the client to server before packet fragmentation occurs.
If ping result responds normally increase MTU value above.
If ping result fails with "Packet needs to be fragmented but DF Set" decrease
the MTU value above. Once the highest MTU value before fragmentation is found make
note of that number and proceed to step 2.
RDP into License Server with Admin rights.
Apply Method 1 & 3 from this Microsoft Support link.
In Method #3 apply the MTU Value that was determined above.
This Technical Note applies if using one of the following product(s), with the mentioned versions (or later).
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