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Problem with login (Dynamics 365 on Premise)

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Posted on by LucaAlberigi

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Hi,
since two days we are encountering a login problem.

After inserting username and password, clicking Login, the page refresh and we cannot login.

We have tried with IE, Chrome, Edge, mobile.. nothing!
The only way is to restart all the virtual machine (ADFS, SQL, etc.) - it keeps working for a day then I need to restart again.

Any advice?
Thank you!

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LucaAlberigi 176 on at

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RE: Problem with login (Dynamics 365 on Premise)

The problem is that after inserting username and password it seem like the page is refreshing, it seem like ADFS cannot receive the login information.

After restarting ADFS the problem goes away. It happens in the morning, when the server is not under pressure.

CPU and RAM are not overloaded.

Our Microsoft consultant told me to to delete the ADFS db ldf log file but I’m not sure this is the right thing to do.
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protc on at

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RE: Problem with login (Dynamics 365 on Premise)

Hi Luca,

Could you please provide more context on the issue.

Sounds like a caching issue or could be related to the available memory on the host machine.

Please refer to the article for more info. on memory reservation on Virtual environments: community.dynamics.com/.../memory-management-for-dynamics-crm-in-a-virtual-environment