PowerProtect Data Manager: On Windows Server 2019, When Backup is Started Error with Event ID: 81

Summary: Backups started by PowerProtect Data Manager agents report the error "Event ID 81" in the "System" events log of the Windows Server 2019.

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Symptoms

Error messages similar to the following are found in the "System" event logs of the Windows Server 2019. This occurs when the PowerProtect Data Manager agent starts backup on the host: 
Log Name:      System
Source:        Microsoft-Windows-FailoverClustering-Client
Date:          4/14/2023 10:31:51 AM
Event ID:      81
Task Category: None
Level:         Error
Keywords:      (1024)
User:          S-x-x-xx-xxxxxxxxxx-xxxxxxxx-xxxxxxxxx-xxxxx
Computer:      hostname
Description:
LogExtendedErrorInformation (974): Extended RPC error information:
ProcessID is 4680
System time is: 33245/473/50689 607:0:5760:12467
Generating component is 2
Status is 1753
Detection location is 501
Flags is 0
NumberOfParameters is 4
Unicode string: ncacn_ip_tcp
Unicode string: hostname
Long val: -1182943054
Long val: 382312662

the message resource is present but the message is not found in the string/message table

Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Microsoft-Windows-FailoverClustering-Client" Guid="{A82FDA5D-745F-409C-B0FE-18AE0678A0E0}" />
    <EventID>81</EventID>
    <Version>0</Version>
    <Level>2</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x8000000000000400</Keywords>
    <TimeCreated SystemTime="2023-04-14T00:31:51.859787200Z" />
    <EventRecordID>517924</EventRecordID>
    <Correlation />
    <Execution ProcessID="4680" ThreadID="7612" />
    <Channel>System</Channel>
    <Computer>hostname</Computer>
    <Security UserID="S-x-x-xx-xxxxxxxxxx-xxxxxxxx-xxxxxxxxx-xxxxx" />
  </System>
  <EventData>
    <Data Name="Parameter1">LogExtendedErrorInformation (974): Extended RPC error information:
ProcessID is 4680
System time is: 33245/473/50689 607:0:5760:12467
Generating component is 2
Status is 1753
Detection location is 501
Flags is 0
NumberOfParameters is 4
Unicode string: ncacn_ip_tcp
Unicode string: hostname
Long val: -1182943054
Long val: 382312662
</Data>
  </EventData>
</Event>

Cause

PowerProtect Data Manager backup agent makes Microsoft Windows API calls to determine if the host is part of a cluster setup. On Windows Server 2019, when API calls are made, it produces error messages as above.

Resolution

These events can safely be ignored. The errors do not impact Windows Server or backups taken by the PowerProtect Data Manager agent.

PowerProtect Data Manager engineering team has worked with Microsoft for a solution. The fix is expected in a future release of PowerProtect Data Manager after v19.14. This article will be revised when more information about fix is available.
 
NOTE: This support article only covers the occurrence of Event with EventID 81 as a result of taking a backup of the Windows Server 2019 or above. The same EventID may occur due to an issue associated with the Microsoft Windows Cluster. Determine the cause of the error and work on it accordingly.

Affected Products

PowerProtect Data Manager, PowerProtect Data Manager Essentials
Article Properties
Article Number: 000216311
Article Type: Solution
Last Modified: 17 Jul 2025
Version:  3
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