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  Using PORTQRY for troubleshooting
Time: 08:38 EST/13:38 GMT | News Source: Microsoft | Posted By: Kenneth van Surksum

Hi all, Mark from Directory Services again. This time I would like to talk about one of the many tools that we use in troubleshooting network issues. At times you may see errors such as The RPC server is unavailable or There are no more endpoints available from the endpoint mapper (These error messages can be DNS related at times). Of course you may see an error code such as 1722 or 1753. So you ask, “What does the error code mean?” If you get an error such as 1722 or 1753, open a command prompt and type in the following:

Net helpmsg <error number>

An example would be net helpmsg 1722 and after hitting enter you will get The RPC server is unavailable. If the error number is something such as a hex number then they will not resolve using the net helpmsg command.

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