https://community.blueprism.com/t5/Product-Forum/Upgrade-issue-Unable-to-establish-communication-with-the-server/m-p/51265#M6356 <P>hello - please check the knowledge base article if you haven't so far<BR /><BR /><A href="https://support.blueprism.com/en/support/solutions/articles/7000076986-bpe-error-unable-to-establish-communication-with-server-callback-channel-when-trying-to-run-a-proc" target="test_blank">https://support.blueprism.com/en/support/solutions/articles/7000076986-bpe-error-unable-to-establish-communication-with-server-callback-channel-when-trying-to-run-a-proc</A></P> <P></P><BR /><BR />------------------------------<BR />Neeraj Kumar<BR />------------------------------<BR /> Fri, 09 Jun 2023 15:13:00 GMT Neel1 2023-06-09T15:13:00Z https://community.blueprism.com/t5/Product-Forum/Upgrade-issue-Unable-to-establish-communication-with-the-server/m-p/51264#M6355 <P>We have recently&nbsp;<SPAN> upgraded the BP from 6.8.1 to 7.1.2, everything went smoothly but after that we we are trying to run the process from control we see below error ,Kindly help.</SPAN></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="16532.png"><img src="https://community.blueprism.com/t5/image/serverpage/image-id/16687i9357D7739AC2B051/image-size/large?v=v2&amp;px=999" role="button" title="16532.png" alt="16532.png" /></span></P> <P><BR /><BR />------------------------------<BR />Sainath s<BR />------------------------------</P> Fri, 30 Jan 2026 14:54:29 GMT https://community.blueprism.com/t5/Product-Forum/Upgrade-issue-Unable-to-establish-communication-with-the-server/m-p/51264#M6355 sainath13 2026-01-30T14:54:29Z https://community.blueprism.com/t5/Product-Forum/Upgrade-issue-Unable-to-establish-communication-with-the-server/m-p/51265#M6356 <P>hello - please check the knowledge base article if you haven't so far<BR /><BR /><A href="https://support.blueprism.com/en/support/solutions/articles/7000076986-bpe-error-unable-to-establish-communication-with-server-callback-channel-when-trying-to-run-a-proc" target="test_blank">https://support.blueprism.com/en/support/solutions/articles/7000076986-bpe-error-unable-to-establish-communication-with-server-callback-channel-when-trying-to-run-a-proc</A></P> <P></P><BR /><BR />------------------------------<BR />Neeraj Kumar<BR />------------------------------<BR /> Fri, 09 Jun 2023 15:13:00 GMT https://community.blueprism.com/t5/Product-Forum/Upgrade-issue-Unable-to-establish-communication-with-the-server/m-p/51265#M6356 Neel1 2023-06-09T15:13:00Z