NMC: Modify client wizard generates an error "connecting to host failed: loaded plugin is not signed

Resumen: NMC: Modify client wizard generates a pop-up error "connecting to host failed: loaded plugin is not signed.

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Síntomas

  • NMC: Modify client wizard generates a pop-up error "connecting to host <client name> failed: loaded plugin is not signed.
  • The error is seen on the NMC client with NRE 8.0.14
  • The error is not seen on the NMC client with JRE 8 update 301.

Causa

The plug-in error is due to the Java version installed on the client.

Resolución

Perform the following actions on the NMC server and clients:

1. Go to the NRE "security" folder:
Linux: /opt/nre/java/latest/lib/security
Windows: C:\Program Files\NRE\java\jre#.#.#_###\lib\security
 
 

2. Make a backup copy of java.security.
3. Edit java.security.

Change the following lines from 
jdk.jar.disabledAlgorithms=MD2, MD5, RSA keySize < 1024, \
      DSA keySize < 1024, include jdk.disabled.namedCurves, \
      SHA1 denyAfter 2019-01-01
To: 
# jdk.jar.disabledAlgorithms=MD2, MD5, RSA keySize < 1024, \
#      DSA keySize < 1024, include jdk.disabled.namedCurves, \
#      SHA1 denyAfter 2019-01-01
NOTE: These fields have been commented out by using #.
 
4. Save the changes.
5. Clear the Java cache on the NMC client.
NOTE: To clear the NRE Java cache open C:\Program Files\NRE\java\jre#.#.#_###\bin\javacpl.exe.
Steps for clearing NRE Java cache
6. Launch the NMC and attempt using the "modify client wizard".
 

Información adicional

See: NetWorker: NMC UI "Unable to launch application", Unsigned application requesting unrestricted access to system

Productos afectados

NetWorker, NetWorker Management Console

Productos

NetWorker Family, NetWorker Series
Propiedades del artículo
Número del artículo: 000215509
Tipo de artículo: Solution
Última modificación: 16 oct. 2023
Versión:  3
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