PowerProtect: PPDM Filesystem backup fails with "Unsupported or unrecognized SSL message"

Summary: This article provides a solution to a problem where the Windows Windows Filesystem backup fails with "Unsupported or unrecognized SSL message."

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Symptoms

Filesystem backups fail with the following message "Unsupported or unrecognized SSL message."

/var/log/brs/adm/adm.log shows.
  
 to host <Windows_IP> with error Exception Details : javax.net.ssl.SSLException: Unsupported or unrecognized SSL message
Thrown from
com.emc.dpsg.ecdm.adm.schema.client.ApiClient.execute(ApiClient.java:721)
com.emc.dpsg.ecdm.adm.schema.client.agentservice.BackupApi.createBackupSessionWithHttpInfo(BackupApi.java:142)
com.emc.dpsg.ecdm.adm.server.service.plc.version.v2_2.AgentBackupRequestor$1.execute(AgentBackupRequestor.java:854)
java.base/sun.security.ssl.SSLSocketInputRecord.handleUnknownRecord(SSLSocketInputRecord.java:451)
java.base/sun.security.ssl.SSLSocketInputRecord.decode(SSLSocketInputRecord.java:175)

Cause

This problem may happen if there are changes that invalidate the PowerProtect Data Manager certificate on the Windows Computer.

Resolution

On the windows machine:
  1. Run unregister.bat as an administrator
  2. Rename C:\Program Files\DPSAPPS\AgentService\ssl to C:\Program Files\DPSAPPS\AgentService\ssl.old
  3. Rename C:\Program Files\DPSAPPS\AgentService\dbs\v1\resources.db to C:\Program Files\DPSAPPS\AgentService\dbs\v1\resources.db.old
  4. Run register.bat as administrator
  5. Approve the registration on PowerProtect Data Manager side. 
  6. Check that backups are now working.

Article Properties
Article Number: 000210904
Article Type: Solution
Last Modified: 24 May 2023
Version:  3
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