DCNM-SAN: No fabrics found

Hi,
I have the following problem concerning DCNM-SAN.
I recently upgraded to DCNM 5.2.2c.
We came from a lower DCNM version, where Fabric Manager was not already included in the DCNM package.
I've uninstalled Fabric Manager as it was recommended by an upgrade manual from Cisco.
After some time, it was possible to install DCNM 5.2.2c.
The DCNM-LAN is working, but the DCNM-SAN isn't.
Unfortunately, I'm unable to access our SAN fabrics.
Our environment exists of Cisco MDS switches and a one server where DCNM-LAN and DCNM-SAN are installed.
When we open the DCNM-SAN client and try to login, I can login but I get an "There are no fabrics available for <username>@Radius" error.
With some investigation, I found out that we needed to have the "network-admin" role in ACS 4.2.
We have already had that role configured, so that couldn't be the case.
I also checked if the DCNM-SAN service was running, and it is.
Can somebody please help me out as we are not able to access the fabrics.
With kind regards,
Bart Mars

http://www.cisco.com/en/US/customer/docs/switches/datacenter/sw/5_x/dcnm/release/notes/dcnm_5_2_relnotes.html#wp61633
Supported as of 5.2 per the release notes above. And both can coexist in the same VM.
This is the validation from the release note:
The Cisco DCNM server can run within a virtual machine, and requires one of the supported Windows or Linux operating systems listed in this section.
Specifics for the host OS can be found in the release notes.
Hope that helps,
Cary Cube'
CSE, CISCO

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