Server 2012R2 to 2016 CRM 8.x

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Posted on by jmrobeck

Hi all, I am new to CRM on Orem upgrade and am running into an issue. We are running crm 365 8.x on server 2013 R2 and when we try and upgrade the server to 2016, we receive an IIS error and all the sites on the server are missing.

any idea how to resolve site loss with upgrade?

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Wahaj Rashid 11,321 on at

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Hi,

Thank you for your query.

Installation/upgrade was successful?

With out more details, it's difficult understand a problem.

Here is a thread for your reference:

https://community.dynamics.com/crm/f/microsoft-dynamics-crm-forum/194239/upgrade-from-crm-2013-to-crm-2016-on-premise/496137

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jmrobeck 10 on at

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We have been running an installation for some time. It is a complete install with four servers. CRM App, Async, db, and WFE. All are running server 2012 R2 with MS CRM Dynamics 365 8.2. We are attempting to do an in place on prem upgrade to server 2016 and MS CRM Dynamics 365 9.0. The first step is to upgrade the servers to server 2016. The db server, async server, and WFE server all upgrade to 2016 just fine. But the CRM App server has an IIS issue after upgrade.

Internal to IIS, all of the sites are gone.

Before upgrade After upgrade

We can start IIS, but don't know what to do about the sites themselves. We haven't even gotten to the point to upgrade the CRM itself.

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Gogo Lazarovski seavus 25 on at

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I also have the same problem.

After updating CRM App server from Microsoft Server 2012 R2 to Server 2016, IIS site for Crm disappear.

I try to repair from CRM installation, appear error

Any idea how to fix the problem?

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ShaunHarvey 2 on at

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Hi,

I am coming across this myself in 2024.

Did anyone find a resolution to this problem?

Thanks.

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