Lost msdp password and need recovery

[Anilkp]

Msdp media os got crashed and reinstalled the Os.How to connect the MSDP ? MSDP user name and password are not available.
OS is RHEL 7.6
Netbackup 9.1.0.1

[Nicolai]

Since your data are at risk, I would open a support ticket with Veritas Support.

I found this tech note, not sure it apply to your situation: 

How to reset the NetBackup authentication password on an MSDP disk pool

https://www.veritas.com/support/en_US/article.100038891

[mph999]

That TN is fine Nicolai

[Nicolai]

Thanks for confirming Martin

[Hamza_H]

I confirm the technote is fine, already tried few times and saved the day