Hi was facing this issue when trying to open crm.
The url i was using was something like this
than thought of trying with an ip address instead of host name of the server
http://192.168.20.114:5555 ( something like this .. )
And than everything was fine !
Bye…
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I’m having the exact same problem with CRM 2011, url fails with an authentication error, but logging in by IP works.
This problem only happens when trying to access the Load Balancer URL and then using the Load Balancer IP.
If I use either direct server URL, that will work.
What is the permanent solution to this issue?
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Here is a LINQ Provider for MS Access:
https://www.kellermansoftware.com/p-47-net-data-access-layer.aspx
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