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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(288, 24%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESS%3C/text%3E%3C/svg%3E)
Hello Team
i noticed in Exchange 2016 CU19 .Dynamic Distribution groups are created with not proper name.
What could be the reason for created automatically,
How to find from is there any applications are doing this process?
Please advise is it safe to delete?
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(284.8, 17%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYS%3C/text%3E%3C/svg%3E)
Hi @Sathishkumar Singh ,
From the description and the screenshot, agree with Andy that it's likely related to the known issue as mentioned in the official link he shared. Please follow the steps in that article and see if this issue can be worked around. Meanwhile, it's also suggested to periodically check that web page for any updates on this issue.
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Thats normal :(
Here is how to fix:
This Steps can be proceed during Users Working hours or need to be take maintenance for down time?
any impact to exchange?
Please advise
They can be done anytime.