NBU The vnet proxy encounrtened an error [How to Solve]

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NBU 41 client Vnet agent encountered an error

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https://www.veritas.com/content/support/en_US/article.100039650
https://www.veritas.com/content/support/en_US/article.100039943

Problem description

After installing the NBU client software and adding the client to NBU, it is found that the client reports an error, such as the title. After consulting the official articles, it is found that the Vnet connection may have failed. It is necessary to test the connection on the client, and carry out the corresponding operation according to the error.

Client: Linux has completed the client software installation, windows, please read the resources

Processing steps

Processing steps:
1. Check whether other clients can connect normally. Click once, it can be the problem of the client

# Execute the following command on the NBU master to check the vnet status
bpps

2. Log in to the client server
for preliminary check (all commands here need to be executed in the NBU client installation directory)

# 1、Test the connection status
<install_path>/netbackup/bin/bpclntcmd -pn -verbose
# The default installation directory is: /usr/openv/
cd /usr/openv/bin/

# 2. Check the certificate status:
<installation path>/netbackup/bin/nbcertcmd -listCACertDetails

Question 1: there is something wrong with the certificate

# First backup the original certificate
mv /usr/openv/var/webtruststore/cacert.pem /tmp
# Get the certificate from Master
nbcertcmd -getCACertificate
# View Certificate
nbcertcmd -listCACertDetails

Problem 2: there is a problem with the connection state

./nbcertcmd -getCertificate -host client Hostname -server nbuMaster Hostname
# The result of the execution is as follows.
Host certificate and certificate revocation list received successfully from server NBUMaster Hostname.

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