Frequently Asked Questions
Frequently Asked Questions: M-Files
Error message "A security package specific error occurred" with M-Files 2018
Posted by Lassi Lehtinen (M-Files) on 29 May 2018 04:38 PM

Applies to: M-Files 2018 (12.0.6400.37), M-Files 2018 SR1 (12.0.6550.8). This bug has been fixed in M-Files 12.0.6554.0.

 

Configuring a document vault connection or logging in to the vault may fail with the error "A security package specific error occurred. (0x80070721)". Bottom of the error stack is similar to this:
...
RPCSession.cpp, 384, A security package specific error occurred. (0x80070721)
RPCSession.cpp, 659, A security package specific error occurred. (0x80070721)
RPCSession.cpp, 1255, A security package specific error occurred. (0x80070721)
(M-Files 12.0.6400.37)

 

This is a known issue that has been addressed in M-Files version 12.0.6554.0. If updating is not feasible, the following registry setting can be used as a workaround on the computers running M-Files Desktop:

Registry key HKEY_LOCAL_MACHINE\SOFTWARE\Motive\M-Files\RPC
Value name AlwaysTryToEnableEncryptionInTcpIpConnection
Value type DWORD
Value data 0


Note that you must add this key and value into the registry, they don't exist by default. Restart the M-Files Client service after adding them.

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