SharePoint linked service input is not a valid Base-64

Question

SharePoint linked service input is not a valid Base-64

Minor Gómez 20

Hello Team,

We are trying to connect to a sharePoint list, when testing connection we are getting the below error message:

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.

Some details:

Site URL
Service principal credential type: Service principal certificate (Recommended) / Azure Key Vault

Using secret name, secret version.

Please let us know how to resolve.

Or propose a method to connect with sharePoint List.

Thanks

Ganesh Gurram 7,655 Reputation points Microsoft External Staff Moderator

2025-03-03T07:43:27.0866667+00:00

@Minor Gómez - Just checking in to see if the below answer helped. If this answers your query, do click Accept Answer and Yes for was this answer helpful. And, if you have any further query do let us know.
Minor Gómez 20 Reputation points

2025-03-03T14:50:22.3466667+00:00

I will check on this, thanks for your answer

1 answer

Your answer

Ganesh Gurram 7,655 Reputation points Microsoft External Staff Moderator

2025-03-03T07:43:27.0866667+00:00

@Minor Gómez - Just checking in to see if the below answer helped. If this answers your query, do click Accept Answer and Yes for was this answer helpful. And, if you have any further query do let us know.
Minor Gómez 20 Reputation points

2025-03-03T14:50:22.3466667+00:00

I will check on this, thanks for your answer

Answer 1

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