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RPCPing Error 122 returned in the WinHttpSetCredentials.

Posted on 2013-01-03
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Last Modified: 2013-01-24
When i do RPCping test to the Exchange 2010 server, system said error 122 as below.
Any idea what error code 122 means and how to fix it?
Thank you.

RPCPing v2.12. Copyright (C) Microsoft Corporation, 2002
OS Version is: 6.1, Service Pack 1

RPCPinging proxy server mail.rshi.hk with Echo Request Packet
Checking IE setting...
The proxy setting is disabled.
Error 122 returned in the WinHttpSetCredentials.
Ping failed.

C:\Program Files\Windows Resource Kits\Tools>
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Question by:dickchan
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Rodney Barnhardt earned 500 total points
ID: 38744006
Are you trying to pass through a firewall. I believe the error 122 refers to a buffer size problem.
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by:dickchan
ID: 38749492
Same result if when testing in the local network with firewall turned off.

RPCPing.exe /t ncacn_http /o RpcProxy=mail.mydomain.com /u 10 /a connect /v 3 /E /P “username,domain,passowrd” /H 1 /F 3 /b
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by:Rodney Barnhardt
ID: 38758854
Is this a single server, or do you have some load balancer in front of the servers(s)?
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