# How to solve ,I am not able to start the agent for my automation edge server

**URL:** <https://community.automationedge.com/t/how-to-solve-i-am-not-able-to-start-the-agent-for-my-automation-edge-server/467>\
**Category:** Get Help & Discuss\
**Created:** [June 5, 2018, 9:19am UTC](https://community.automationedge.com/t/how-to-solve-i-am-not-able-to-start-the-agent-for-my-automation-edge-server/467 "2018-06-05T09:19:47Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![arjun.mule](https://avatars.discourse-cdn.com/v4/letter/a/e5b9ba/32.png) [@arjun.mule](https://community.automationedge.com/u/arjun.mule)\
**Post date:** [June 5, 2018, 9:19am UTC](https://community.automationedge.com/t/how-to-solve-i-am-not-able-to-start-the-agent-for-my-automation-edge-server/467/1 "2018-06-05T09:19:47Z")

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Hi guy’s ,This is arjun , I am not able to start the agent machine for executing workflow ,wherever i try to run its getting the error of Invalid license & authentication failed ![error](https://canada1.discourse-cdn.com/flex027/uploads/automationedge/original/1X/16dc7b86304f3c1dd1e6d44fdba23fd8413b3aee.PNG).

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**Author:** ![hemanshu.rukadikar](https://yyz1.discourse-cdn.com/flex027/user_avatar/community.automationedge.com/hemanshu.rukadikar/32/606_2.png) [@hemanshu.rukadikar](https://community.automationedge.com/u/hemanshu.rukadikar)\
**Post date:** [June 13, 2018, 11:20am UTC](https://community.automationedge.com/t/how-to-solve-i-am-not-able-to-start-the-agent-for-my-automation-edge-server/467/2 "2018-06-13T11:20:03Z")

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There are a couple of reasons here that can cause this error:

1. Maximum number of agents allowed for that license may have exceeded
2. The agent may have been copied from other machine rather than downloading it - which may belong to a different server instance - and simply changed the URL.

Check both of these things and get back to me with your findings