Search for	Example	Results
A single word	`cat`	Topics that contain the word "cat". You will also find its grammatical variations, such as "cats".
A phrase. You can specify that the search results contain a specific phrase.	`"cat food"` (quotation marks)	Topics that contain the literal phrase "cat food" and all its grammatical variations. Without the quotation marks, the query is equivalent to specifying an OR operator, which finds topics with one of the individual words instead of the phrase.

Search for	Operator	Example
Two or more words in the same topic	`AND` `and` `+` (plus symbol) `&` (ampersand)	`cat AND dog` `"cat food"+milk` `"cat food"&"dog food"`
Either word in a topic	`OR` `or` `\|` (pipe)	`cat OR dog` `cat \| dog`
Topics that do not contain a specific word or phrase	`NOT` `not` `!` (exclamation point)	`NOT cat` `! dog`
Topics that contain one string and do not contain another	`^` (caret)	`cat ^ mouse`
A combination of search types	`( )` parentheses	`cat + (dog \| mouse)` `cat \| dog + (! mouse)`

Universal CMDB Browser

Functionalities > Service Modeling > Troubleshooting > Host Discovery by Shell job

Host Discovery by Shell Job

This section describes the error messages you may receive from the Host Discovery by Shell job and provides suggested solutions.

Error Message: The IP address is not in the discovery IP Range

Error Category: Probe Errors

Solution: Add the IP address or range to the Ranges setting of the probe. For more information about how to do this, see Add an IP Range to the Ranges Setting.

Error Message: Inaccessible network path to target server. Perhaps it is a virtual IP address.

Error Category: Connection Errors

Solution: Add physical IPs as entry points of next hop

Error Message: Need credential to the host

Error Category: Credential-related Errors

Solution: Add the valid credentials. For more information about how to do this, see Add or Edit Credentials.

Error Message: Connection timeout

Error Category: Timeout Errors

Solution:

Increase the timeout value in protocol settings.
For Windows machines, wait for a few minutes and then try again.

Error Message: The discovery job did not find any process listening on port: <port_number>

Error Category: Software Related Errors

Solution:

Check if the configured account has sufficient privileges to run relevant commands. Specifically,
- ps -e
- netstat -nap
- lsof
Elevate privilege for UNIX credentials.
Verify if the service is still accessible.
Check if lsof is installed on the target machine if it runs UNIX.

Error Message: No application signature matches the process <process_info> listening on port <port_number>

Error Category: Software Related Errors

Solution: Add the signature for the application. For more information about how to do this, see Add or Edit Application Signatures.

Error Message: The following outgoing ports are filtered because they are not in portNumberToPortName.xml

Error Category: Software Related Errors

Solution: Add the port number to portNumberToPortName.xml.

To do this, click the Application Signature button in the error message and then follow the instructions. Alternatively, you can directly modify the portNumberToPortName.xml file to add the port number.