Office 365 data is not added or updated to Snow License Manager and the SnowLicenseManagerOffice365Service Windows service throws the following error:
ERROR SnowSoftware.LicenseManager.Office365.CommandHandlers.SignalImportAsCommittedCommandHandler [(null)] - Problem importing 365 estate, will retry command in one minute: {"CustomerId":1,"ImportId":"460cf559-e40b-476c-a097-98d5cfcd3d05","SystemUserFullName":"SYSTEM","SystemUserId":null} System.FormatException: The input is not a valid Base-64 string as it contains a non-base 64 character, more than two padding characters, or an illegal character among the padding characters. Environment
- Snow License Manager 8.x
- Any report or menu related to Office 365 data in License Manager Web Interface
Analysis
Make sure that the SnowLicenseManagerOffice365Service is started, and stays started.
The log location for this service is: C:\Program Files\Snow Software\Logs\Office365Service/ open the most recent log file and search for the error message stated in the initial description
Resolution
Update License Manager to version 8.2.5 via Snow Update Service
Was this helpful?
Related Articles
Office 365 Test connection fails ERROR Cannot bind argument to parameter 'String' because it is an empty string 27Number of Views Spurious error messages appear in activitystatus.log files: "Failed to copy activity status to OneFlexera System.FormatExc… 6Number of Views Red error bar when viewing/exporting data from the web UI after importing date custom property values in an invalid format… 7Number of Views Office 365 Adapter fails with an error when trying to capture the usage data 9Number of Views Spider Setup: Server Error in '/Spider' Application | Input String was in a wrong format 11Number of Views
Revenera Assistant
Online
Hi, I am Reva - Ask me anything.
Updates
No new updates
Chat
Home
Updates
/**/
Thanks for the feedback!
Your feedback has been saved.Rate this response:
1
2
3
4
5
Add Additional feedback ( Optional )
0/240
English
English
Language changed successfully
Something went wrong
Email sent successfully
Something went wrong
Case create successfully
Are you sure you want to cancel
the case creation?
Please select a product to submit the case.
Please select a product version to submit the case.
0/255
Upload Attachment
File Upload
Maximum file
size allowed is 3 MB.
File type
not supported.
Supported file types:
Documents (.txt, .doc, .docx, .pdf), Images (.jpg, .png), Comma Separated Files
(.csv) Speadsheets (.xlsx, .xls)
Are you sure you want to cancel the case creation?
Case closed successfully
File Upload
Maximum file size allowed is 3 MB.
File type not supported.
Supported file types:
Documents (.txt, .doc, .docx, .pdf), Images (.jpg, .png), Comma Separated Files
(.csv) Speadsheets (.xlsx, .xls)
Are you sure you want to close this case
| Products | Region | Phone Numbers |
|---|---|---|
| FlexNet Operations FlexNet Embedded FlexNet Publisher FlexNet Connect FlexNet Code Insight InstallAnywhere InstallShield |
North America * |
+1 630-332-2513 (toll) +1 877-279-2853 (toll-free in North America) |
| Europe * |
+44 1925 944367 (toll) +44 800 047 8642 (toll-free in Europe) |
|
| Japan * | +81 3-4540-5335 (select option 2) | |
| Australia * |
+61 3 9895 2177 +61 1800 560 603 (toll-free in Australia) |
|
|
Usage Intelligence (formerly
Revulytics) Compliance Intelligence |
Please use the Case Portal to submit your support ticket or reach out to your Revenera contact. | |
File Upload
Maximum file
size allowed is 3 MB.
File type
not supported.
Supported file types:
Documents (.txt, .doc, .docx, .pdf), Images (.jpg, .png), Comma Separated Files
(.csv) Speadsheets (.xlsx, .xls)
Revenera Assistant
© 2026 Flexera Software. All Rights Reserved.
Case id: 00001065
Activity: Status change: 2 hours ago