Any impact on SCOM 2012 R2 operation after disabling SMB1

Anchal gupta 21 Reputation points
2021-03-02T08:40:31.223+00:00

Hi Team,
We are running SCOM 2012 R2 on Windows Server 2012 R2 and we have to disable SMB1 as it is vulnerable, so would like to know if there could be any impact after disabling it?

Thanks.

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  1. Crystal-MSFT 44,931 Reputation points Microsoft Vendor
    2021-03-03T05:58:09.927+00:00

    @Anchal gupta , Based on my research, there are far fewer cases left in modern enterprises where SMB1 is the only option. Some legit reasons:

    1. You’re still running XP or WS2003 under a custom support agreement.
    2. You have old management software that demands admins browse via the so-called ‘network' aka 'network neighborhood’ master browser list.
    3. You run old multi-function printers with old firmware in order to “scan to share”.
      https://techcommunity.microsoft.com/t5/storage-at-microsoft/stop-using-smb1/ba-p/425858

    For SCOM, after researching, I didn't find any article mention the impact.

    To double confirm, we can capture network trace on SCOM server or enable auditing mentioned in the following link: to check
    https://azurecloudai.blog/2018/12/17/step-by-step-safely-disabling-smb-v1-from-your-production-environment/
    Note: Non-Microsoft link, just for the reference.

    Hope it can help.


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  1. CyrAz 5,181 Reputation points
    2021-03-02T09:16:11.683+00:00

    No, there shouldn't be any impact

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  2. Anchal gupta 21 Reputation points
    2021-03-05T05:14:52.733+00:00

    Thank you guys for all your inputs. Really appreciate that.