Troubleshooting
The following table lists the warnings and error messages that you may encounter during initial DM5500 configuration in the
Data Manager Appliance Configuration UI with possible troubleshooting steps.
In addition to the troubleshooting steps listed in the following table, for networking errors, you can SSH into the appliance and
use the net port-validate command to debug network configuration issues and verify whether a host port is open or
closed for connection.
1. Using SSH, log in to the PowerProtect Data Manager Appliance with admin privileges.
Use your admin username and the DM5500 password.
2. Run the following command:
admin@appliance>net port-validate <host IP address> <host port number>
Table 26. DM5500 Configuration UI error messages
Error code Error message Troubleshooting steps
N/A You may encounter a warning similar to the
following on the Create Secure Credentials
page of the Data Manager Appliance
Configuration UI if you do not enter the
correct default password.
Critical: Failed to validate current password
for user: admin
To resolve this issue, enter the correct default password in
the Current Password field. The password is the last 9 digits
of the DM5500 serial number with a prefix of dm@.
For example: if the DM5500 serial number
is DPDIH220124121, the password would be
dm@DPDIH220124121
1. Log out of the web browser.
2. Log back into the PowerProtect Data Manager Appliance
Configuration UI.
3. Enter the correct password.
4. Click Next to proceed with the deployment.
N/A You may encounter warnings similar to the
following on the Network page of the Data
Manager Appliance Configuration UI if you
do not have the cable connections to the
DM5500 NIC ports properly configured:
Warning: Recommended uplinks in PCIe slot
4:1, PCIe slot 1:2 for appliance are not
connected. For optimal performance and
redundancy, all 4 uplinks must be connected.
Make sure all 4 uplinks are connected and
then refresh the page to resolve the warning.
For more information on cable connectivity
to appliance, refer to the Install guide. You
can ignore the warning and proceed with the
configuration, however you may experience
degraded performance.
Critical: Mandatory uplinks in PCIe slot 4:1,
PCIe slot 1:2 for appliance are not connected.
Make sure required uplinks are connected to
network switch with appropriate cables and
then refresh the page to resolve the critical
error. It is recommended to connect all 4
uplinks to appliance for optimal performance
and redundancy. For more information on
cable connectivity to appliance, refer to the
● Make sure the four cable connections to the NIC ports on
the DM5500 are configured as follows:
○ Two links go to port 1 and port 2 on PCIe slot 1.
○ Two links go to port 1 and port 2 on PCIe slot 4.
For more details, see Connect network cables.
● Once the problem is resolved, refresh the page.
● If the issue persists, contact Customer Support.
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Troubleshooting 65
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