Error added: 2014-06-17T10:58:46Z
Probably lots of reasons for this generic message. In our case, it was a SiteMinder R12 web agent that had been registered with the wrong policy server--an R6 server. The R6 policy server could not negotiate the connection request from the R12 agent, so the agent threw this error when it couldn't initialize. Policy servers are backward compatible (R12 ps accepts connections from R12 or R6 agents), but the reverse is not true. When this agent was registered with the correct R12 policy server, it came up fine.
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