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FSM Mobile - Microsoft Patch stops Initialisation (KB5035855)

  • 5 April 2024
  • 4 replies
  • 113 views
AdrianEgley
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Userlevel 5
Badge +14

Hi,

Anyone else patched their servers recently and had KB5035855 installed?

It’s been installed on our Test and Live Mobile servers, and after installation, the device fails to fully completed an initialisation. Get stuck on the image below.

 

As you can see it says the process has ended, but the device just spins.

I uninstall the KB and restart the server. The moment that happens the process completes fully.

 

Therefore, just wondering if this is known at IFS and if others have had a similar issue too?

 

Cheers Ady

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Best answer by roklde 5 April 2024, 16:38

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roklde
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Userlevel 6
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Hi Ady,

yes, this is a known issue. One of the MS patches makes changes to the default website MIME type configuration, which in turn breaks the application. In detail, it’s related to the file extension called “.appx” and it can be fixed by editing the Mobile web.config-file by removing the tag for the mimeType first, followed by setting it again as follows: 

 

<staticContent>
<remove fileExtension=".appx"/>
<mimeMap fileExtension=".appx" mimeType="application/vns.ms-appx"/>
</staticContent>

 

Best regards
Roman

AdrianEgley
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Userlevel 5
Badge +14

@roklde - thank you very much.

I’ll get the patch reapplied to our test server and run another initialisation.

 

Ady

roklde
Rank
Userlevel 6
Badge +23

Hi Ady,

RnD released an officiale statement here:


Best regards
Roman

AdrianEgley
Rank
Userlevel 5
Badge +14

Thanks Roman,

Nice to see and great that the resolution documented is working.

 

Ady

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