Dell EMC Unity: ESRS connectivity Error Code: 0x6400bb9 (Dell EMC Correctable)

- Usually receives the error Failed to enable Integrated Remote Support. ( Error Code: 0x6400bb9 )
or
- Trying to enable ESRS on the array but continue to receive the following error: Error Code: 0x6400bb9.

The error including the date and time of the error, the activity that may have caused the error, and any other related activities that are in progress in the environment.

Troubleshooting sequence :

To resolve an error, complete the following steps:

1. Note the details of the error including the date and time of the error, the activity that may have caused the error, and any other related activities that are in progress in the environment.

Note: For example, if the error is related to the deletion of a snapshot and if a third-party snapshot software is managing snapshots on the platform, note all the relevant information.

2. To run Data Collect Service Information from the Unisphere Dashboard:
a. Under the System heading, select Service. The Overview page appears.
b. Select Service Tasks.
c. Select Collect Service Information.
d. Click Execute.
e. Click + to create a service data collection file.
f. Download to save the file.

3. Check the support website for FAQs, Release Notes, and known issues.
4. Close any open windows of the Unisphere GUI (clear browser cache/history, if required) and reopen the browser.
5. Log in to Unisphere again.
6. To check the system health:
a. From the dashboard view, select System Health > Hardware.
b. Check for any detected hardware faults or other issues. If there are any issues, refer to the related Unisphere online help topic or the onscreen instructions to resolve them.
c. Under the Events heading, select Alerts. The Alerts page appears.
d. Check for any alerts that indicate a problem. Check the errors in the log files.
i. Under the System heading, select Service. The Overview page appears.
ii. Select Logs.
e. To check if any SPs are in Service mode:
i. Under the System heading, select Service. The Overview page appears.
ii. Select Service Tasks.
iii. In the Storage Processor pane, check the Mode field for any SPs in Service mode. If any SPs are in Service mode, address the reason. When the SP in Service mode is selected, the Status field shows the reason for the Service mode and Recommended Action field shows the recommended action.

7. To restart the Management Software through the Service System page in Unisphere:
Note: Restarting the management software does not interrupt any system processes or I/O of the storage.
a. Under the System heading, select Service. The Overview page appears.
b. Select Service Tasks.
c. In the Storage System pane, select Restart Management Software.
d. Click Execute to restart the management software.
e. Wait for 4-6 minutes while the management software restarts.

Kindly refer to All Unisphere error codes in the below link.

Troubleshooting Checklist : https://www.emc.com/collateral/TechnicalDocument/docu69358.pdf