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The public key you generated when Adding the WSO2 EMM Solution to the DEP Portal is configured to expire in a year. Therefore, you need to generate a new public key in the .pem format.

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1. Create a new directory to generate the public key.

2. Create a file named openssl.cnf in the directory you just created.

3. Copy the code given below to the openssl.cnf and save it.

   Code Block

   [ v3_req ]# Extensions to add to a certificate request basicConstraints=CA:TRUE keyUsage = digitalSignature, keyEncipherment [ v3_ca ] # Extensions for a typical CA # PKIX recommendation. subjectKeyIdentifier=hash authorityKeyIdentifier=keyid:always,issuer # This is what PKIX recommends but some broken software chokes on critical # extensions. basicConstraints = critical,CA:true # So we do this instead. #basicConstraints = CA:true # Key usage: this is typical for a CA certificate. However since it will # prevent it being used as an test self-signed certificate it is best # left out by default. keyUsage = digitalSignature, keyCertSign, cRLSign

4. Navigate into the directory and run the commands given below in the given order.

   Code Block
   openssl genrsa -out dep_private.key 4096 openssl req -new -key dep_private.key -out dep.csr openssl x509 -req -days 365 -in dep.csr -signkey dep_private.key -out dep.crt -extensions v3_ca -extfile ./openssl.cnf openssl x509 -in dep.crt -out dep.pem

   Now, you see the dep.pem file created in the directory you created.

Generating the new DEP server token

Follow the steps given below to generate the new DEP server token from the DEP portal:

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Navigate to the Apple Deployment Programs.

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Sign in with your organization's Apple credentials.

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Click Get Started to automate the Mobile Device Management (MDM) enrollment.
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Click on the server you created for WSO2 IoT Server's EMM solution.

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Click Replace Key and upload the .pem file you just generated.
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Updating WSO2 IoT Server with the token

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