Avamar: Error 52001 (Communications Module Scanner Error) due to an unexpected switch firmware version
Summary: Avamar Gen5A reports a switch error due to an unexpected firmware version.
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Not all product versions are identified in this article.
Symptoms
The following error is reported in the Avamar User Interface or mccli:
67678 2025-03-10 16:17:58 GMT ERROR 52001 SYSTEM PROCESS / Communications Module Scanner Error
The switch monitoring log shows the following entries:
grep -B1 -i 'mccli' /usr/local/avamar/var/log/switch_monitoring.log
2025/02/13-14:19:59 INFO: switches version_mismatch_found_cnt=2
2025/02/13-14:20:01 INFO: publish() cmd="mccli event publish --code=52001 " successful
--
2025/02/13-16:55:00 INFO: switches version_mismatch_found_cnt=2
2025/02/13-16:55:02 INFO: publish() cmd="mccli event publish --code=52001 " successful
--
2025/03/12-11:40:20 WARN: Unexpected firmware version "10.5.6.3" on switch A, expected version is one of ["10.5.1.1P1"], the rest of switch output parsing code may return incorrect resultsCause
The switch monitoring script has not been updated with the newest firmware versions, so it does not recognize the firmware.
Resolution
1. Log in to the affected Avamar Utility Node or the single node as admin.
2. Download the GoAV tool. See the following article for more information: Avamar: GoAV Product Tool for Management and Troubleshooting
3. Elevate to root privileges:
su -
4. Run the GoAV tool with the following options:
./goav fix-switch-firmware-config
Sample output:
===========================================================
GoAv : 1.94
Avamar : 19.12
Date : 02 Apr 2025 12:45 EDT
===========================================================
COMMAND : ./goav system fix-switch-firmware-config
NOTE: This tool was created and is maintained by the ISG Support Tools team
===========================================================
Backup file created successfully as: /usr/local/avamar/lib/dpnnetutil/x-switch_monitoring.rb.bak
Found target class line.
Modifying firmware versions to: @@expected_firmware_versions = ['10.5.1.1P1', '10.5.6.3', '10.5.4.10']
The file has been modified successfully.Affected Products
Avamar Data Store Gen5AArticle Properties
Article Number: 000303002
Article Type: Solution
Last Modified: 18 Nov 2025
Version: 3
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